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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 1239.3-2009 |
Cold coiled helical springs technical specifiations - Part 3: Torsion spring 冷卷圆柱螺旋弹簧技术条件 第3部分：扭转弹簧 |
China National Standards Cold coiled helical |
 English PDF |
| GB/T 1239.2-2009 |
Cold coiled helical springs technical specifications - Part 2: Compressions spring 冷卷圆柱螺旋弹簧技术条件 第2部分：压缩弹簧 |
China National Standards Cold coiled helical |
English PDF |
| GB/T 1239.1-2009 |
Cold coiled helical springs technical specifications - Part 1: Extension spring 冷卷圆柱螺旋弹簧技术条件 第1部分：拉伸弹簧 |
China National Standards Cold coiled helical |
English PDF |
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