计时仪器零部件分类、名称和编号 机械手表机心零部件分类、名称和编号
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

2008-07-31

计时仪器零部件分类、名称和编号 石英手表机心
Classification, terminology and numbering for parts and assemblies of the time measuring instruments—Quartz wrist watch movements

2017-11-01

"Classification,terminology and numbering for parts and assemblies of the time measuring instruments-Quartz wrist watch movements"

2017-11-01

"Classification, terminology and numbering for parts and assemblies of the time measuring instruments —Mechanical wrist watch movements"