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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 12971.2-2008 |
Trolley and contact wires for electric traction - Part 2: Aluminium and steel composite trolley and contact wires 电力牵引用接触线 第2部分: 钢、铝复合接触线 |
China National Standards Trolley contact wires |
 English PDF |
| GB/T 12971.1-2008 |
Trolley and contact wires for electric traction - Part 1: Copper and copper-alloy contact wires 电力牵引用接触线 第1部分: 铜及铜合金接触线 |
China National Standards Trolley contact wires |
English PDF |
| GB 12971.5-1991 |
Trolley and contact wires for electric traction--Part 5:Aluminium alloy trolley and contact wires 电力牵引用接触线 第五部分:铝合金接触线 |
China National Standards Trolley contact wires |
English PDF |
| GB 12971.4-1991 |
Trolley and contact wires for electric traction--Part 4:Aluminium-steel and aluminium alloy composite trolley and content wires 电力牵引用接触线 第四部分:钢、铝及铝合金复合接触线 |
China National Standards Trolley contact wires |
English PDF |
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