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Priority to FR7044246ApriorityCriticalpatent/FR2116316B4/fr
Publication of FR2116316A8publicationCriticalpatent/FR2116316A8/fr
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Publication of FR2116316B4publicationCriticalpatent/FR2116316B4/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
G04C3/033—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 torsion pendulums; using conical pendulums