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D Ebauches E T A S A Fab
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D Ebauches E T A S A Fab
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Application filed by D Ebauches E T A S A FabfiledCriticalD Ebauches E T A S A Fab
Application grantedgrantedCritical
Publication of FR913732ApublicationCriticalpatent/FR913732A/fr
G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
G04F7/06—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator running only during the time interval to be measured, e.g. stop-watch
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR913732D1944-07-141945-08-27Dispositif à déclic pour pièce d'horlogerie
ExpiredFR913732A
(fr)