| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG 20629-1997 | English | RFQ |
ASK
|
Days<=9
|
(Steel pipe flanges with flexible graphite gaskets (American System))
|
HG 20629-1997
| Obsolete |
HG 20629-1997
|