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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| QB/T 2569.5-2002 |
Files. escapement files 钢锉 钟表锉 |
China Light Industry
Standards escapement |
 English PDF |
| QB/T 3722-1999 |
Fundamental dimension series for lever escapement 叉瓦式擒纵机构基本尺寸系列 |
China Light Industry
Standards escapement |
English PDF |
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