| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HJ 1149-2020 | English | 399 |
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Days<=4
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(Ambient air Determination of gamma radionuclide in aerosol filter membrane/gamma spectrometry)
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HJ 1149-2020
| Valid |
HJ 1149-2020
|