2024
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G/S
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Atomic clocks; chronometers; clocks; clocks and watches, electric; clocks incorporating radios; c... |
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G/S
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Clocks; Watches; Atomic clocks; Clocks and watches, electric; Clocks incorporating radios; Master... |
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G/S
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Parts for clocks; Clocks incorporating radios; wristwatches; watches; Timing clocks; chronometers... |
2017
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Invention
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Low power consumption control method for satellite time service clock system, and clock system. A... |
2015
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Invention
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Movement with pure-tungsten metal clamping plates. A movement with pure-tungsten metal clamping p... |
2013
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Invention
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Quartz electronic watch high-precision timekeeping method. A quartz electronic watch high-precisi... |
2012
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Invention
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Time service watch and implementation method thereof. A time service watch and an implementation ... |