| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| CJJ 51-1992 | English | RFQ |
ASK
|
Days<=3
|
(Urban gas pipeline repair and maintenance of technical regulations)
|
CJJ 51-1992
| Obsolete |
CJJ 51-1992
|