Assignee

SILVA SERGIO

CH·1 granted patent·13 citations·filing 2008–2008

Technology mixG04B1 G04D1 Y10T1

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0183US8147127B2Fixation of a spiral spring in a watch movementSILVA SERGIO·Filed 2008·Granted Apr 3, 2012·13 cites·20 claims

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