Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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HJ/T 167-2004 Technical specification for monitoring of indoor air quality 1560.0 via email in 1~10 business day valid
HJ/T 376-2007 Technical requirement and test procedures for 24h thermostatic automatic continuous ambient air sampler 150.0 via email in 1~3 business day valid
GB/T 16157-1996 The determination of particulates and sampling methods of gaseous pollutants emitted from exhaust gas of stationary source 360.0 via email in 1~2 business day valid
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