Kjøp brukt Qiagen Qiaxcel Advanced (2 740)

  • Sorter resultater

  • Laveste pris Høyeste pris
  • Nyeste annonser Eldste annonser
  • Korteste avstand Største avstand
  • Nyeste produksjonsår Eldste produksjonsår
  • Siste oppdatering Eldste oppdatering
  • Produsenter fra A til Å Produsent fra Z til A
  • Relevans
Laveste pris
pris
Høyeste pris
pris
Nyeste annonser
Innstillingsdato
Eldste annonser
Innstillingsdato
Korteste avstand
avstand
Største avstand
avstand
Nyeste produksjonsår
produksjonsår
Eldste produksjonsår
produksjonsår
Siste oppdatering
oppdatering
Eldste oppdatering
oppdatering
Produsenter fra A til Å
produsent
Produsent fra Z til A
produsent
Betegnelse fra A til Å
Betegnelse
Betegnelse fra Z til A
Betegnelse
Modell fra A til Å
Modell
Modell fra Z til A
Modell
Laveste referanse
referanse
Høyeste referanse
referanse
Korteste driftstid
Driftstid
Lengste driftstid
Driftstid
relevans
relevans
Annonse
Ultralydsgenerator 4,4 kVA MS ULTRASONIC 20 ADVANCED
Ultralydsgenerator 4,4 kVA MS ULTRASONIC 20 ADVANCED
Ultralydsgenerator 4,4 kVA MS ULTRASONIC 20 ADVANCED
Ultralydsgenerator 4,4 kVA MS ULTRASONIC 20 ADVANCED
Ultralydsgenerator 4,4 kVA MS ULTRASONIC 20 ADVANCED
Ultralydsgenerator 4,4 kVA MS ULTRASONIC 20 ADVANCED
Ultralydsgenerator 4,4 kVA MS ULTRASONIC 20 ADVANCED
Ultralydsgenerator 4,4 kVA MS ULTRASONIC 20 ADVANCED
Ultralydsgenerator 4,4 kVA MS ULTRASONIC 20 ADVANCED
more images
Tyskland Wiefelstede
804 km

Ultralydsgenerator 4,4 kVA
MS ULTRASONIC20 ADVANCED

Godkjent forhandler
Ring
Annonse
Glassfiber glassfilt 4 ruller Spheretex Büfa sphere core SBC IP  Advanced Core CLM  6,0 mm
Glassfiber glassfilt 4 ruller Spheretex Büfa sphere core SBC IP  Advanced Core CLM  6,0 mm
Glassfiber glassfilt 4 ruller Spheretex Büfa sphere core SBC IP  Advanced Core CLM  6,0 mm
Glassfiber glassfilt 4 ruller Spheretex Büfa sphere core SBC IP  Advanced Core CLM  6,0 mm
Glassfiber glassfilt 4 ruller Spheretex Büfa sphere core SBC IP  Advanced Core CLM  6,0 mm
Glassfiber glassfilt 4 ruller Spheretex Büfa sphere core SBC IP  Advanced Core CLM  6,0 mm
Glassfiber glassfilt 4 ruller Spheretex Büfa sphere core SBC IP  Advanced Core CLM  6,0 mm
more images
Tyskland Wiefelstede
804 km

Glassfiber glassfilt 4 ruller
Spheretex Büfasphere core SBC IP Advanced Core CLM 6,0 mm

Godkjent forhandler
Ring
Annonse
Eksosutsugssystem ABICOR BINZEL xFUME ADVANCED
Eksosutsugssystem ABICOR BINZEL xFUME ADVANCED
Eksosutsugssystem ABICOR BINZEL xFUME ADVANCED
Eksosutsugssystem ABICOR BINZEL xFUME ADVANCED
Eksosutsugssystem ABICOR BINZEL xFUME ADVANCED
Eksosutsugssystem ABICOR BINZEL xFUME ADVANCED
Eksosutsugssystem ABICOR BINZEL xFUME ADVANCED
more images
Polen Częstochowa
1 265 km

Eksosutsugssystem
ABICOR BINZELxFUME ADVANCED

Godkjent forhandler
Ring
Annonse
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
Pickup AUDI Q5 50 TDI quattro advanced + Satz Felgen
more images
Petershagen
902 km

Pickup
AUDIQ5 50 TDI quattro advanced + Satz Felgen

Ring
Annonse
Diverse FE-MA-TECH Advanced PUR 2 kg
Diverse FE-MA-TECH Advanced PUR 2 kg
Diverse FE-MA-TECH Advanced PUR 2 kg
Diverse FE-MA-TECH Advanced PUR 2 kg
Diverse FE-MA-TECH Advanced PUR 2 kg
more images
Tyskland Röllbach
1 192 km

Diverse
FE-MA-TECHAdvanced PUR 2 kg

Godkjent forhandler
Ring
Annonse
Bredbåndssliper HOMAG SANDTEQ W-100 RC ADVANCED
Bredbåndssliper HOMAG SANDTEQ W-100 RC ADVANCED
Bredbåndssliper HOMAG SANDTEQ W-100 RC ADVANCED
Bredbåndssliper HOMAG SANDTEQ W-100 RC ADVANCED
more images
Danmark Hinnerup
481 km

Bredbåndssliper
HOMAGSANDTEQ W-100 RC ADVANCED

Ring
Annonse
Platesag ELCON ADVANCE 215 DSX-A -brukt- GERONNE ADVANCE 215 DSX-A
Platesag ELCON ADVANCE 215 DSX-A -brukt- GERONNE ADVANCE 215 DSX-A
Platesag ELCON ADVANCE 215 DSX-A -brukt- GERONNE ADVANCE 215 DSX-A
Platesag ELCON ADVANCE 215 DSX-A -brukt- GERONNE ADVANCE 215 DSX-A
Platesag ELCON ADVANCE 215 DSX-A -brukt- GERONNE ADVANCE 215 DSX-A
Platesag ELCON ADVANCE 215 DSX-A -brukt- GERONNE ADVANCE 215 DSX-A
Platesag ELCON ADVANCE 215 DSX-A -brukt- GERONNE ADVANCE 215 DSX-A
Platesag ELCON ADVANCE 215 DSX-A -brukt- GERONNE ADVANCE 215 DSX-A
Platesag ELCON ADVANCE 215 DSX-A -brukt- GERONNE ADVANCE 215 DSX-A
Platesag ELCON ADVANCE 215 DSX-A -brukt- GERONNE ADVANCE 215 DSX-A
Platesag ELCON ADVANCE 215 DSX-A -brukt- GERONNE ADVANCE 215 DSX-A
more images
Tyskland Bad Honnef
1 096 km

Platesag ELCON ADVANCE 215 DSX-A -brukt-
GERONNEADVANCE 215 DSX-A

Godkjent forhandler
Ring
Annonse
Minibuss AUDI A4 Avant 30 TDI advanced DSG7-KAMERA MMI
Minibuss AUDI A4 Avant 30 TDI advanced DSG7-KAMERA MMI
Minibuss AUDI A4 Avant 30 TDI advanced DSG7-KAMERA MMI
Minibuss AUDI A4 Avant 30 TDI advanced DSG7-KAMERA MMI
Minibuss AUDI A4 Avant 30 TDI advanced DSG7-KAMERA MMI
Minibuss AUDI A4 Avant 30 TDI advanced DSG7-KAMERA MMI
Minibuss AUDI A4 Avant 30 TDI advanced DSG7-KAMERA MMI
Minibuss AUDI A4 Avant 30 TDI advanced DSG7-KAMERA MMI
Minibuss AUDI A4 Avant 30 TDI advanced DSG7-KAMERA MMI
more images
Karlsfeld
1 376 km

Minibuss
AUDIA4 Avant 30 TDI advanced DSG7-KAMERA MMI

Ring
Annonse
Kartong emballasjemaskin Impuls Packaging Kartonaufrichter Advanced 400/500/650 B
more images
Tyskland Wöllstadt
1 135 km

Kartong emballasjemaskin
Impuls PackagingKartonaufrichter Advanced 400/500/650 B

Ring
Annonse
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
Limapplikasjonsmaskin, pose-smelter FE-MA-TECH advanced PUR 2 kg light Smart
more images
Tyskland Viersen
1 036 km

Limapplikasjonsmaskin, pose-smelter
FE-MA-TECHadvanced PUR 2 kg light Smart

Ring
Annonse
Komponent AFC -04 Advanced Flow Control AB . 12375 S.Nr. 257
Komponent AFC -04 Advanced Flow Control AB . 12375 S.Nr. 257
Komponent AFC -04 Advanced Flow Control AB . 12375 S.Nr. 257
Komponent AFC -04 Advanced Flow Control AB . 12375 S.Nr. 257
Komponent AFC -04 Advanced Flow Control AB . 12375 S.Nr. 257
Komponent AFC -04 Advanced Flow Control AB . 12375 S.Nr. 257
more images
Remscheid
1 037 km

Komponent
AFC-04 Advanced Flow Control AB . 12375 S.Nr. 257

Godkjent forhandler
Ring
Annonse
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010212 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010212 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010212 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010212 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010212 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010212 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010212 - ! -
more images
Remscheid
1 037 km

Komponent
SickM40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010212 - ! -

Godkjent forhandler
Ring
Annonse
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010214 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010214 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010214 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010214 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010214 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010214 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010214 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010214 - ! -
more images
Remscheid
1 037 km

Komponent
SickM40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010214 - ! -

Godkjent forhandler
Ring
Annonse
Komponent AFC -04 Advanced Flow Control AB SN:273
Komponent AFC -04 Advanced Flow Control AB SN:273
Komponent AFC -04 Advanced Flow Control AB SN:273
Komponent AFC -04 Advanced Flow Control AB SN:273
Komponent AFC -04 Advanced Flow Control AB SN:273
Komponent AFC -04 Advanced Flow Control AB SN:273
Komponent AFC -04 Advanced Flow Control AB SN:273
Komponent AFC -04 Advanced Flow Control AB SN:273
Komponent AFC -04 Advanced Flow Control AB SN:273
Komponent AFC -04 Advanced Flow Control AB SN:273
more images
Remscheid
1 037 km

Komponent
AFC-04 Advanced Flow Control AB SN:273

Godkjent forhandler
Ring
Annonse
Komponent AFC -04 Advanced Flow Control AB SN:266
Komponent AFC -04 Advanced Flow Control AB SN:266
Komponent AFC -04 Advanced Flow Control AB SN:266
Komponent AFC -04 Advanced Flow Control AB SN:266
Komponent AFC -04 Advanced Flow Control AB SN:266
Komponent AFC -04 Advanced Flow Control AB SN:266
Komponent AFC -04 Advanced Flow Control AB SN:266
Komponent AFC -04 Advanced Flow Control AB SN:266
Komponent AFC -04 Advanced Flow Control AB SN:266
Komponent AFC -04 Advanced Flow Control AB SN:266
more images
Remscheid
1 037 km

Komponent
AFC-04 Advanced Flow Control AB SN:266

Godkjent forhandler
Ring
Annonse
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041528 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041528 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041528 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041528 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041528 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041528 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041528 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041528 - ! -
more images
Remscheid
1 037 km

Komponent
SickM40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041528 - ! -

Godkjent forhandler
Ring
Annonse
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041530 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041530 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041530 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041530 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041530 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041530 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041530 - ! -
more images
Remscheid
1 037 km

Komponent
SickM40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041530 - ! -

Godkjent forhandler
Ring
Annonse
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041531 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041531 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041531 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041531 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041531 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041531 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041531 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041531 - ! -
Komponent Sick M40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041531 - ! -
more images
Remscheid
1 037 km

Komponent
SickM40E-034023RB0 M 4000 advanced Id. 1 200 067 SN:22041531 - ! -

Godkjent forhandler
Ring
Annonse
Komponent Siemens EWK-SUS1146011 Software SUS WinCC Comfort / Advanced SN: SVPB81034215
Komponent Siemens EWK-SUS1146011 Software SUS WinCC Comfort / Advanced SN: SVPB81034215
Komponent Siemens EWK-SUS1146011 Software SUS WinCC Comfort / Advanced SN: SVPB81034215
Komponent Siemens EWK-SUS1146011 Software SUS WinCC Comfort / Advanced SN: SVPB81034215
more images
Remscheid
1 037 km

Komponent
SiemensEWK-SUS1146011 Software SUS WinCC Comfort / Advanced SN: SVPB81034215

Godkjent forhandler
Ring
Annonse
Komponent AFC -04 10881 Advanced Flow Control AB Hilfsschalterblock abgebrochen
Komponent AFC -04 10881 Advanced Flow Control AB Hilfsschalterblock abgebrochen
Komponent AFC -04 10881 Advanced Flow Control AB Hilfsschalterblock abgebrochen
Komponent AFC -04 10881 Advanced Flow Control AB Hilfsschalterblock abgebrochen
Komponent AFC -04 10881 Advanced Flow Control AB Hilfsschalterblock abgebrochen
Komponent AFC -04 10881 Advanced Flow Control AB Hilfsschalterblock abgebrochen
Komponent AFC -04 10881 Advanced Flow Control AB Hilfsschalterblock abgebrochen
more images
Remscheid
1 037 km

Komponent
AFC-04 10881 Advanced Flow Control AB Hilfsschalterblock abgebrochen

Godkjent forhandler
Ring
Annonse
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010211 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010211 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010211 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010211 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010211 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010211 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010211 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010211 - ! -
Komponent Sick M40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010211 - ! -
more images
Remscheid
1 037 km

Komponent
SickM40S-034003AA0 M 4000 advanced Id. 1 200 061 SN:22010211 - ! -

Godkjent forhandler
Ring
Siegel

Tillitsmerke

Autoriserte forhandlere sertifisert av Machineseeker

Tillitsmerke
Annonse
PUR smelteenhet for kantlistmaskin Fe-Ma-Tech PUR ADVANCED 2kg LIGHT
PUR smelteenhet for kantlistmaskin Fe-Ma-Tech PUR ADVANCED 2kg LIGHT
PUR smelteenhet for kantlistmaskin Fe-Ma-Tech PUR ADVANCED 2kg LIGHT
PUR smelteenhet for kantlistmaskin Fe-Ma-Tech PUR ADVANCED 2kg LIGHT
PUR smelteenhet for kantlistmaskin Fe-Ma-Tech PUR ADVANCED 2kg LIGHT
PUR smelteenhet for kantlistmaskin Fe-Ma-Tech PUR ADVANCED 2kg LIGHT
PUR smelteenhet for kantlistmaskin Fe-Ma-Tech PUR ADVANCED 2kg LIGHT
PUR smelteenhet for kantlistmaskin Fe-Ma-Tech PUR ADVANCED 2kg LIGHT
PUR smelteenhet for kantlistmaskin Fe-Ma-Tech PUR ADVANCED 2kg LIGHT
PUR smelteenhet for kantlistmaskin Fe-Ma-Tech PUR ADVANCED 2kg LIGHT
more images
Tyskland Barntrup
946 km

PUR smelteenhet for kantlistmaskin
Fe-Ma-TechPUR ADVANCED 2kg LIGHT

Godkjent forhandler
Ring
Annonse
FGT Graphic Machinery - Plate Montering OMET MP Advanced
more images
Tyskland Leinfelden-Echterdingen
1 312 km

FGT Graphic Machinery - Plate Montering
OMETMP Advanced

Ring
Annonse
CNC-maskineringssenter for profilering OSTERBERGER PIONIER 3000.4 Advanced
CNC-maskineringssenter for profilering OSTERBERGER PIONIER 3000.4 Advanced
CNC-maskineringssenter for profilering OSTERBERGER PIONIER 3000.4 Advanced
CNC-maskineringssenter for profilering OSTERBERGER PIONIER 3000.4 Advanced
CNC-maskineringssenter for profilering OSTERBERGER PIONIER 3000.4 Advanced
CNC-maskineringssenter for profilering OSTERBERGER PIONIER 3000.4 Advanced
more images
Østerrike Thalheim bei Wels
1 417 km

CNC-maskineringssenter for profilering
OSTERBERGERPIONIER 3000.4 Advanced

Ring
Annonse
Avansert PU-injeksjonsveggsystem KraussMaffei 125/33 single daylicht
Avansert PU-injeksjonsveggsystem KraussMaffei 125/33 single daylicht
Avansert PU-injeksjonsveggsystem KraussMaffei 125/33 single daylicht
Avansert PU-injeksjonsveggsystem KraussMaffei 125/33 single daylicht
Avansert PU-injeksjonsveggsystem KraussMaffei 125/33 single daylicht
Avansert PU-injeksjonsveggsystem KraussMaffei 125/33 single daylicht
Avansert PU-injeksjonsveggsystem KraussMaffei 125/33 single daylicht
Avansert PU-injeksjonsveggsystem KraussMaffei 125/33 single daylicht
Avansert PU-injeksjonsveggsystem KraussMaffei 125/33 single daylicht
Avansert PU-injeksjonsveggsystem KraussMaffei 125/33 single daylicht
more images
Belgia Lommel
1 049 km

Avansert PU-injeksjonsveggsystem
KraussMaffei125/33 single daylicht

Ring