| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| NB/T 20259.4-2021 | English | RFQ |
ASK
|
Days<=3
|
(Specification for valuation of bill of quantities of nuclear power plant construction projects - Part 4: Ventilation and air conditioning installation engineering)
|
NB/T 20259.4-2021
| Valid |
NB/T 20259.4-2021
|