| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 50839-2013 | English | 1039 |
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Days<=7
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Technical code of urban rail transit engineering safety control
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GB/T 50839-2013
| Valid |
GB/T 50839-2013
|