| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YBJ 218-1989 | English | RFQ |
ASK
|
Days<=6
|
(Metallurgical Mine Shaft Quality Inspection and Evaluation Standards)
|
YBJ 218-1989
| Obsolete |
YBJ 218-1989
|