Device for measuring the altitude distance travelled by a road vehicle, particularly a bicycle
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Battery powered clockwork with decorative pendulum
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Electrically driven clock movement with a torsion pendulum
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Electrical clockwork with torsion pendulum
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Friction clutch for electric clock with decorative torsion pendulum
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Battery-driven clockwork with an electronic chime
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Battery-driven clock with an electrically driven pendulum
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A table clock with a rotary pendulum
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Quartz-controlled, battery-driven musical clock - has tube repeated and controlled by integrated circuit, trigger circuit and resistance capacity network
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Ratchet mechanism for battery-operated timepiece seconds wheel - using at least one axial or radial spring arm
