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EP1914604A1
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Clock movement with constant torque energy transmission between the energy source and the mechanical oscillator
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Movement for a timepiece with retrograde.
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Operating mechanism for timepiece
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Chronograph mechanism
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WATCHMAKING PIECE WITH DISPLAY OF THE QUANTIEME
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QUICK CORRECTION WATCH BY PUSH BUTTON
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mechanism at the time of a watch with perpetual calendar movement.
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clockwork perpetual calendar.
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Electronic display device
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Electronic wristwatch
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