Classification,terminology and numbering for parts and assemblies of the time measuring instruments—Classification,terminology and numbering for parts and assemblies of mechanical wrist watch movements
全国钟表标准化技术委员会(SAC/TC 160)
本标准规定了机械手表机心零部件的分类、名称和编号。
本标准适用于不同结构和功能的机械手表机心。
This standard is the original Chinese electronic standard.
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