Invention Grant
US08668378B2 Regulating organ comprising at least two balances 有权
调节器官至少包含两个天平

Regulating organ comprising at least two balances
Abstract:
A regulating organ adapted to be integrated into a mechanical watch, comprising a first balance and a first spiral fastened to an axle, and-at least one second balance, wherein the second balance is fastened on the axle of said first balance.
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