| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 25020.4-2016 | English | 519 |
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Days<=5
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Steel pole for overhead contact system of electrified railways -- Part 4: H section pole
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GB/T 25020.4-2016
| Valid |
GB/T 25020.4-2016
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