| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HJ 1240-2021 | English | 359 |
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Days<=4
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Stationary source emission - Determination of gaseous pollutants (SO2, NO, NO2, CO, CO2) - Portable Fourier transform infrared spectroscopy method
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HJ 1240-2021
| Valid |
HJ 1240-2021
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