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2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 12971.2-2023 Contact wires for electric traction Part 2: Steel and aluminum composite contact wires 电力牵引用接触线 第2部分：钢铝复合接触线 - 中英文版 |
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GB/T 12971.1-2023 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 - 中英文版 |
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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 - 中英文版 |
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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 - 中英文版 |
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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 - 中英文版 |
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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 - 中英文版 |
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