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钟用发条
Spring of clock
参考页数:12P.;A4
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公共用指针式石英大钟
Analogue quartz clocks for public use
参考页数:10P.;A4
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数字式世界钟
Digital world time clocks
参考页数:10P.;A4
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指针式石英钟用转子磁钢
Rotor magnet-steel for analogue quartz clocks
参考页数:10P.;A4
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钟用锡磷青铜带
Tin phosphor bronze strip for the clock
参考页数:7P.;A4
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液晶式语音报时石英钟
Liquid crystal displaying telling-time quartz clocks
参考页数:11P.;A4
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指针式石英钟机心与钟壳的配合尺寸
Fitting dimensions of movements to cases for analogue quartz clocks
参考页数:7P.;A4
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石英钟用集成电路
Integrated circuits for quartz clocks
参考页数:8P.;A4
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指针式石英钟. 手动装配尺寸规格
Analogue quartz clocks. Fitting dimensions of movements to hands
参考页数:14P;A4
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指针式石英钟. 计时精度
Analogue quartz clocks. Timing accuracy
参考页数:18P.;A4
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