| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| NB/T 20039.2-2014 | English | 709 |
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Days<=5
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Code on nuclear air and gas treatment. Ventilation, air conditioning and air cleaning. Part 2: Dampers
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NB/T 20039.2-2014
| Valid |
NB/T 20039.2-2014
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