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master-slave systems using transmission of other driving signals

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  • G04C13/027
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GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C13/00Driving mechanisms for clocks by master-clocks

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G04C13/027master-slave systems using transmission of other driving signals
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Patents Grantslast 30 patents

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    • Patent number 4,522,506
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    • Patent number 4,177,454
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    3223914
    • Patent number 3,223,914
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Patents Applicationslast 30 patents