| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 3165.2-1982 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Oil field equipment--Wellhead devices--Types, dimensions and technical requirements of flanges
| Obsolete |
GB 3165.2-1982
|