Assignee

BÜHLER PIERRE-ANDRÉ

CH·1 granted patent·2 citations·filing 2009–2009

Technology mixG04B1 G04D1 Y10T1

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0150US9459589B2One-piece double balance spring and method of manufacturing the sameBÜHLER PIERRE-ANDRÉ·Filed 2009·Granted Oct 4, 2016·2 cites·21 claims

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