| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 20990.1-2007 | English | RFQ |
ASK
|
Days<=4
|
Thyristor valves for high voltage direct current (HVDC) power transmission -- Part 1: Electrical testing
|
GB/T 20990.1-2007
| Obsolete |
GB/T 20990.1-2007
|