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计时仪器用石英谐振器 32768Hz钟表用石英谐振器
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计时仪器用集成电路 指针式石英电子钟表用集成电路
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石英电子手表用微调电容器试验方法
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进出口机械手表检验规程
Rules for the inspection of winding watches for import and export
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进出口指针式石英钟检验规程
Rules for the inspection of analogue quartz clocks for import and export
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