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GB182418A
(enrdf_load_stackoverflow )
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交感钟表组件
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1961-02-07
Constant torque escapement
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2004-10-15
Ablaufanzeigevorrichtung für uhren
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brendle
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1951-08-28
Workman's time recorder
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GB433643A
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Electro-mechanical tim e-stamp
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1888-04-03
randall
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1915-05-06
Improvements in Workmen's or like Time Recorders.
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Time computing and recording
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1918-04-30
Type-wheel mechanism.
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Sympathetic timepiece assembly
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1915-02-24
Improvements in Workmen's and like Time-recorders.
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(enrdf_load_stackoverflow )
1915-01-13
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1909-11-12
Improvements in or relating to Date and Time Printing Devices.
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2021-12-03
Timepiece display mechanism as well as timepiece movement and watch comprising the same