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COVENTRY ELECTRIC CLOCK COMPAN
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COVENTRY ELECTRIC CLOCK COMPAN
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Application filed by COVENTRY ELECTRIC CLOCK COMPANfiledCriticalCOVENTRY ELECTRIC CLOCK COMPAN
Application grantedgrantedCritical
Publication of FR520978ApublicationCriticalpatent/FR520978A/fr
G04C1/04—Winding mechanical clocks electrically by electric motors with rotating or with reciprocating movement
G04C1/08—Winding mechanical clocks electrically by electric motors with rotating or with reciprocating movement raising weights
G04C1/082—Winding mechanical clocks electrically by electric motors with rotating or with reciprocating movement raising weights by oscillating movement
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR520978A1918-12-301920-07-23Perfectionnements aux horloges électriques
ExpiredFR520978A
(fr)