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CNS 662-1967 Method of Test for Rotational Speed of Water Pumps《水泵转速检验法》.pdf 1

CNS 662-1967 Method of Test for Rotational Speed of Water Pumps《水泵转速检验法》.pdfCNS 662-1967 Method of Test for Rotational Speed of Water Pumps《水泵转速检验法》.pdf

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CNS 661-2004 Method of test for discharge capacity of water pumps《水泵出水量检验法》.pdf 7

CNS 661-2004 Method of test for discharge capacity of water pumps《水泵出水量检验法》.pdfCNS 661-2004 Method of test for discharge capacity of water pumps《水泵出水量检验法》.pdf

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CNS 3-4-1999 Engineering drawings - Geometrical toleranicing《工程制图(几何公差)》.pdf 25

CNS 3-4-1999 Engineering drawings - Geometrical toleranicing《工程制图(几何公差)》.pdfCNS 3-4-1999 Engineering drawings - Geometrical toleranicing《工程制图(几何公差)》.pdf

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CNS 3-3-2002 Engineering drawing( Method of indicating surface texture on drawings )《工程制图﹝表面符号﹞》.pdf 17

CNS 3-3-2002 Engineering drawing( Method of indicating surface texture on drawings )《工程制图﹝表面符号﹞》.pdfCNS 3-3-2002 Engineering drawing( Method of indicating surface texture on drawings )《工程制图﹝表面符号﹞》.pdf

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CNS 3-2005 Engineering drawing (General principles of presentation)《工程制图（一般准则）》.pdf 37

CNS 3-2005 Engineering drawing (General principles of presentation)《工程制图（一般准则）》.pdfCNS 3-2005 Engineering drawing (General principles of presentation)《工程制图（一般准则）》.pdf

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CNS 3-16-1994 Engineering Drawing (Geometrical Tolerancing - Principles and Methods of Verification)《工程制图(几何公差–检测原理与方法)》.pdf 64

CNS 3-16-1994 Engineering Drawing (Geometrical Tolerancing - Principles and Methods of Verification)《工程制图(几何公差–检测原理与方法)》.pdfCNS 3-16-1994 Engineering Drawing (Geometrical Tolerancing - Principles and Methods of Verification)《工程制图(几何公差–检测原理与方法)》.pdf

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CNS 3-15-1994 Engineering Drawing (Geometrical Tolerancing - Proportions and Dimensions for Symbols)《工程制图(几何公差–符号之比例及尺度)》.pdf 8

CNS 3-15-1994 Engineering Drawing (Geometrical Tolerancing - Proportions and Dimensions for Symbols)《工程制图(几何公差–符号之比例及尺度)》.pdfCNS 3-15-1994 Engineering Drawing (Geometrical Tolerancing - Proportions and Dimensions for Symbols)《工程制图(几何公差–符号之比例及尺度)》.pdf

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CNS 1826-1969 arpha-Naphthylamine Hydrochloride《化学试药（氢氯酸α─萘胺）》.pdf 1

CNS 1826-1969 arpha-Naphthylamine Hydrochloride《化学试药（氢氯酸α─萘胺）》.pdfCNS 1826-1969 arpha-Naphthylamine Hydrochloride《化学试药（氢氯酸α─萘胺）》.pdf

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CNS 1825-1969 bata-Naphthoquinone-4-Sodium Sulfonate《化学试药（β-萘醌-4-磺酸钠）》.pdf 1

CNS 1825-1969 bata-Naphthoquinone-4-Sodium Sulfonate《化学试药（β-萘醌-4-磺酸钠）》.pdfCNS 1825-1969 bata-Naphthoquinone-4-Sodium Sulfonate《化学试药（β-萘醌-4-磺酸钠）》.pdf

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CNS 1824-1969 bata-Naphthol《化学试药（β-萘酚）》.pdf 1

CNS 1824-1969 bata-Naphthol《化学试药（β-萘酚）》.pdfCNS 1824-1969 bata-Naphthol《化学试药（β-萘酚）》.pdf

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