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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 25020.4-2016 |
Steel pole for overhead contact system of electrified railways—Part 4: H section pole 电气化铁路接触网钢支柱 第4部分：H形支柱 |
China National Standards Steel pole overhead |
 English PDF |
| GB/T 25020.3-2016 |
Steel pole for pole for overhead contact system of electrified railways—Part 3: Steel tube pole 电气化铁路接触网钢支柱 第3部分：环形钢管支柱 |
China National Standards Steel pole overhead |
English PDF |
| GB/T 25020.2-2016 |
Steel pole for overhead contact system of electrified railways—Part 2：Square steel tube pole 电气化铁路接触网钢支柱 第2部分：方形钢管支柱 |
China National Standards Steel pole overhead |
English PDF |
| GB/T 25020.4-2010 |
Steel pole for overhead contact system of electrified railway - Part 4：H section pole 电气化铁路接触网钢支柱 第4部分：H形支柱 |
China National Standards Steel pole overhead |
English PDF |
| GB/T 25020.3-2010 |
Steel pole for overhead contact system of electrified railway - Part 3：Steel tube pole 电气化铁路接触网钢支柱 第3部分：环形钢管支柱 |
China National Standards Steel pole overhead |
English PDF |
| GB/T 25020.2-2010 |
Steel pole for overhead contact system of electrified railway - Part 2：Square shape tube steel pole 电气化铁路接触网钢支柱 第2部分：方形钢管支柱 |
China National Standards Steel pole overhead |
English PDF |
| GB/T 25020.1-2010 |
Steel pole for overhead contact system of electrified railway - Part 1：Lattice pole 电气化铁路接触网钢支柱 第1部分：格构式支柱 |
China National Standards Steel pole overhead |
English PDF |
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