| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SL/T 4-2020 | English | RFQ |
ASK
|
Days<=11
|
(Technical specification for farmland drainage engineering)
|
SL/T 4-2020
| Valid |
SL/T 4-2020
|