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GB1272997A
|
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Horological electronic circuit
|
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GB1146340A
|
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Watch mainspring barrel
|
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FR1538237A
|
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Clockwork device
|
|
FR1528519A
|
|
Watch winder
|
|
FR1528425A
|
|
Photoelectric converter, in particular for clockwork mechanisms
|
|
DE1673709B1
|
|
WATERPROOF WATCH CROWN
|
|
FR1517174A
|
|
Standard frequency oscillator
|
|
FR1494593A
|
|
Control mechanism for the jumping seconds hand of a clockwork movement
|
|
US3393506A
|
|
Balance wheel for horological instruments
|
|
US3396531A
|
|
Dial train drive
|
|
DE1253750B
|
|
Vibration-compensated mechanical oscillator for frequency standards
|
|
FR1466985A
|
|
Envelopes for electric accumulator batteries and batteries thus obtained
|
|
US3400283A
|
|
Resonator regulator
|
|
FR1452350A
|
|
Process for manufacturing electric batteries and new products thus obtained
|
|
DE1523854A1
|
|
Switching device for step-by-step switching of a hand-driving wheel of a clock
|
|
FR1445299A
|
|
Date indicator, especially for calendar watch
|
|
DE1266234B
|
|
Frequency standard with masses oscillating in a straight line
|
|
US3293845A
|
|
Vibratory frequency standard for a timekeeping device
|
|
US3320738A
|
|
Vibratory frequency standard for a timekeeping device
|
|
US3393569A
|
|
Gyroscope
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