| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| TB/T 402-1975 | English | 459 |
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Days<=3
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6.25m tongue switch of 43kg/m steel rail (straight tongue rail of common steel rail)
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TB/T 402-1975
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TB/T 402-1975
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