| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| TBJ 421-1987 | English | RFQ |
ASK
|
Days<=3
|
(Railway Traction Power Supply Engineering Quality Inspection and Evaluation Standards)
|
TBJ 421-1987
| Obsolete |
TBJ 421-1987
|