Assignee

BUHLER PIERRE-ANDRE

CH·1 granted patent·2 citations·filing 2012–2012

Technology mixG04B1 G04D1 Y10T1

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0164US8622611B2One-piece hairspring and method of manufacturing the sameBUHLER PIERRE-ANDRE·Filed 2012·Granted Jan 7, 2014·2 cites·11 claims

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