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发布时间：1987-03-09
实施时间：1988-01-09
本规程适用于新生产、使用中及修理后的商品型铯束原子频率标准主要技术指标的检定。
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[JJG 106-1981] 指针式精密时钟检定规程[现行]
发布时间：1981-12-31
实施时间：1983-01-01
本规程适用于新制造、使用中和修理后的，走时精度不高于0.03秒的指针式精密石英钟或机械式航海天文钟的..
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发布时间：1980-07-11
实施时间：1980-12-01
本规程适用于PW-1、PW-2、PW-3、PW-10、外差式频率计主要技术指标检定，对于同类的其它型..
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