| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| NB/T 20039.1-2014 | English | RFQ |
ASK
|
Days<=6
|
Code on nuclear air and gas treatment. Ventilation, air conditioning and air cleaning. Part 18: Refrigeration equipment
|
NB/T 20039.1-2014
| Obsolete |
NB/T 20039.1-2014
|