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GB/T 11739-1989 Standard method forhygienic examination of lead in air of residential areas--Atomic absorption spectrophotometry - 英文版 |
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GB/T 11738-1989 Standard methodfor hygienic examination of methanol and acetone in air of residential areas--Gas chromatography - 英文版 |
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GB/T 11737-1989 Standard method for hygienic examination of benzene，toluene and xylene in air of residentialareas--Gas chromatography - 英文版 |
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GB/T 11736-1989 Standard method for hygienic examination of chlorine in air of residential areas--Methyl orange spectrophotometric method - 英文版 |
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GB/T 11735-1989 Standard method for hygienic examination of bery-llium in air of residential areas--Morin fluorescence spectrophotometric method - 英文版 |
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GB/T 11734-1989 Standard methodfor hygienic examination of methylparathion in air of residential areas--Gas chromatography - 英文版 |
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GB/T 11733-1989 Standard method for hygienic examination of inor-ganic sulfate in air of residential areas--Ion chromatography - 英文版 |
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GB/T 11732-1989 Standard method for hygienic examination of pyridine in air of residential areas--Cyanogen chloride-barbituric acid apectrophotometric method - 英文版 |
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GB/T 11731-1989 Standard method for hygienic examination of nitrobenzene in air of residential areas--Gas chromato-graphy - 英文版 |
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GB/T 7962.7-1987 Colourless optical glass test methods--Examination method for extent of stria - 英文版 |
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GB/T 7918.5-1987 Standard methods of microbiological examination for cosmetics--Staphylococcus aureus - 英文版 |
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GB/T 7918.4-1987 Standard methods of microbiologicalexamination for cosmetics--Pseudomonas aeruginosa - 英文版 |
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GB/T 7918.3-1987 Standard methods of microbiological examination for cosmetics--Fecal coliforms - 英文版 |
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GB/T 7918.2-1987 Standard methods of microbiological examination for cosmetics--Standard plate count - 英文版 |
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GB/T 7918.1-1987 Standard methods of microbiological examination for cosmetics--General rules - 英文版 |
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