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UHREN WERK ERSINGEN
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UHREN WERK ERSINGEN
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Application filed by UHREN WERK ERSINGENfiledCriticalUHREN WERK ERSINGEN
Application grantedgrantedCritical
Publication of FR1245271ApublicationCriticalpatent/FR1245271A/fr
G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR815632A1959-01-221960-01-14Dispositif de relance de la roue d'échappement des horloges électriques
ExpiredFR1245271A
(fr)