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gb+8971-1988
gb+8971-1988, Total:2 items.
In the international standard classification, gb+8971-1988 involves: Air quality.
中华人民共和国环境保护部, gb+8971-1988
- GB 8971-1988 Air quality-Determination of benzo(a) pyrene in flying dust-Acetylated paper chromatography fluorescence spectrophotometric method
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, gb+8971-1988
- GB/T 8971-1988 Analysis of Benzo(α)Dyrene in Airborne particulates matters by acctylated paper chromatography fluorescence spectrophotometric method