| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 50652-2011 | English | RFQ |
ASK
|
Days<=3
|
Code for risk management of underground works in urban rail transit
|
GB 50652-2011
| Valid |
GB 50652-2011
|