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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| QB/T 2267-2015 |
Limits and fits for timekeeping instruments. Standard tolerance value of inserted middle tolerance grade for nominal size up to 18 mm 计时仪器用极限与配合 公称尺寸至18 mm插入中间公差等级的标准公差数值 |
China Light Industry
Standards timekeeping |
 English PDF |
| QB/T 2266-2012 |
Tolerance zones and fits for holes and shafts size up to 1mm for timekeeping instruments 计时仪器用极限与配合 尺寸至1mm孔、轴公差带与配合 |
China Light Industry
Standards timekeeping |
English PDF |
| QB/T 2899-2007 |
timekeeping instruments. Conditions for carrying out checks 计时仪器 辐射发光涂层检验条件 |
China Light Industry
Standards timekeeping |
English PDF |
| QB/T 3815-1999 |
Thickness testing method of the metal deposits for the light industrial products timekeeping of liquid flow method 轻工产品金属镀层的厚度测试方法.计时液流法 |
China Light Industry
Standards timekeeping |
English PDF |
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