| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 51455-2023 | English | RFQ |
ASK
|
3 days [Need to translate]
|
(Construction and acceptance standards for urban gas transmission and distribution projects (with clarifications))
| Valid |
GB/T 51455-2023
|