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ATELIERS BRILLIE FRERES SA
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ATELIERS BRILLIE FRERES SA
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Application filed by ATELIERS BRILLIE FRERES SAfiledCriticalATELIERS BRILLIE FRERES SA
Application grantedgrantedCritical
Publication of FR714213ApublicationCriticalpatent/FR714213A/fr
G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
G04C3/02—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 pendulum
G04C3/021—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 pendulum using mechanical coupling
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Physics & Mathematics
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General Physics & Mathematics
(AREA)
FR714213D1930-06-271930-06-27Perfectionnements aux mécanismes d'entretien des balanciers
ExpiredFR714213A
(fr)