发布时间:1993-05-01
实施时间:1993-05-01
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发布时间:1993-05-01
实施时间:1993-05-01
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发布时间:1993-01-01
实施时间:1993-01-01
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[HG 2-304-1980] 2-羟基-3-萘甲酸[已作废]
发布时间:1993-01-01
实施时间:1993-01-01
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[HG 2-319-1979] 苯二甲酐[已作废]
发布时间:1993-01-01
实施时间:1993-01-01
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[HG 2-326-1975] 2 4-二硝基氯苯[已作废]
发布时间:1992-09-01
实施时间:1992-09-01
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[HG 2-203-1980] 1-萘胺-4-磺酸钠[已作废]
发布时间:1992-07-01
实施时间:1992-07-01
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[HG 2-204-1980] 甲萘胺(1-萘胺)[已作废]
发布时间:1992-07-01
实施时间:1992-07-01
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[HG 2-19811-1975] 1-萘酚-4-磺酸[已作废]
发布时间:1992-07-01
实施时间:1992-07-01
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发布时间:1992-07-01
实施时间:1992-07-01
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发布时间:1992-07-01
实施时间:1992-07-01
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[GB 2404-1992] 氯苯[已作废]
发布时间:1992-06-29
实施时间:1993-05-01
本标准规定了氯苯的技术要求、试验方法、检验规则、标志、包装、运输、贮存等要求。本标准适用于在三氯化铁..
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发布时间:1992-06-01
实施时间:1993-01-01
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发布时间:1992-06-01
实施时间:1993-01-01
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[GB/T 13753-1992] 染料中间体水分测定通用方法 卡尔.费休法及卡尔.费休改良法[已作废]
发布时间:1992-01-01
实施时间:1993-10-01
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发布时间:1992-01-01
实施时间:1993-10-01
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[HG/T 2075-1991] J酸(2-氨基-5-萘酚-7-磺酸)[已作废]
发布时间:1991-07-17
实施时间:1992-01-01
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[HG/T 2076-1991] 苯基周位酸(1-苯基萘胺-8-磺酸)[已作废]
发布时间:1991-07-17
实施时间:1992-01-01
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发布时间:1991-07-17
实施时间:1992-01-01
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[HG/T 2078-1991] 2-氰基-4-硝基苯胺[已作废]
发布时间:1991-07-17
实施时间:1992-01-01
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