| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| GB/T 50228-2011 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Standard for foundational terminology of engineering survey
| Valid |
| GB/T 50228-1996 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Standard for foundational terminology of engineering survey
| Obsolete |