| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| GB/T 50568-2019 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Code for and gas field and pipeline investigation of geotechnical engineering
| Valid |
| GB 50568-2010 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Code for oil and gas field and pipeline investigation of geotechnical engineering
| Obsolete |