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NBN T 63-101-1987 0625 Surface active agents - Derermination of surface tension by drawing up liquid films《表面活性剂 用拉起液膜法测定表面张力》.pdf 1

NBN T 63-101-1987 0625 Surface active agents - Derermination of surface tension by drawing up liquid films《表面活性剂 用拉起液膜法测定表面张力》.pdfNBN T 63-101-1987 0625 Surface active agents - Derermination of surface tension by drawing up liquid films《表面活性剂 用拉起液膜法测定表面张力》.pdf

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NBN T 63-004-1988 8125 Soaps and detergents- Techniques of sampling during manufacture《肥皂和洗涤剂 制造过程中采样方法》.pdf 4

NBN T 63-004-1988 8125 Soaps and detergents- Techniques of sampling during manufacture《肥皂和洗涤剂 制造过程中采样方法》.pdfNBN T 63-004-1988 8125 Soaps and detergents- Techniques of sampling during manufacture《肥皂和洗涤剂 制造过程中采样方法》.pdf

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NBN T 63-003-1988 9375 Surface active agents - Water used as a solvent for tests - Spécification and test methods《表面活性剂 试验用水 特性及试验方法》.pdf 4

NBN T 63-003-1988 9375 Surface active agents - Water used as a solvent for tests - Spécification and test methods《表面活性剂 试验用水 特性及试验方法》.pdfNBN T 63-003-1988 9375 Surface active agents - Water used as a solvent for tests - Spécification and test methods《表面活性剂 试验用水 特性及试验方法》.pdf

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NBN T 04-502-1985 4375 Light olefins for industrial use - Determination of ammonia- Photometric method《工业用轻石蜡 氨的测定 光度测定法》.pdf 1

NBN T 04-502-1985 4375 Light olefins for industrial use - Determination of ammonia- Photometric method《工业用轻石蜡 氨的测定 光度测定法》.pdfNBN T 04-502-1985 4375 Light olefins for industrial use - Determination of ammonia- Photometric method《工业用轻石蜡 氨的测定 光度测定法》.pdf

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NBN T 04-501-1985 4375 Light olefins for industrial use - Determination of traces of water- Karl Fischer method《工业用轻石蜡 水踪迹的测定 卡尔费歇尔法》.pdf 1

NBN T 04-501-1985 4375 Light olefins for industrial use - Determination of traces of water- Karl Fischer method《工业用轻石蜡 水踪迹的测定 卡尔费歇尔法》.pdfNBN T 04-501-1985 4375 Light olefins for industrial use - Determination of traces of water- Karl Fischer method《工业用轻石蜡 水踪迹的测定 卡尔费歇尔法》.pdf

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NBN T 04-446-1983 5625 Methyl chloride for industrial use - Determination of impurities- Gas chromato-graphic methods《工业用甲基氯 杂质的测定 气体色析法》.pdf 1

NBN T 04-446-1983 5625 Methyl chloride for industrial use - Determination of impurities- Gas chromato-graphic methods《工业用甲基氯 杂质的测定 气体色析法》.pdfNBN T 04-446-1983 5625 Methyl chloride for industrial use - Determination of impurities- Gas chromato-graphic methods《工业用甲基氯 杂质的测定 气体色析法》.pdf

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NBN T 04-445-1983 2500 Methyl chloride and ethyl chloride for industrial use - Methods of test《工业用甲基氯和乙基氯 试验方法》.pdf 1

NBN T 04-445-1983 2500 Methyl chloride and ethyl chloride for industrial use - Methods of test《工业用甲基氯和乙基氯 试验方法》.pdfNBN T 04-445-1983 2500 Methyl chloride and ethyl chloride for industrial use - Methods of test《工业用甲基氯和乙基氯 试验方法》.pdf

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NBN T 04-444-1983 2500 Benzyl chloride for industrial use - Methods of test《工业用苄基氯 实验方法》.pdf 1

NBN T 04-444-1983 2500 Benzyl chloride for industrial use - Methods of test《工业用苄基氯 实验方法》.pdfNBN T 04-444-1983 2500 Benzyl chloride for industrial use - Methods of test《工业用苄基氯 实验方法》.pdf

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NBN T 03-358-1981 4375 Sodium perborates for industrial use - Determination of rate of solution - Conductivity method《工业用过硼酸钠，溶液比率的测定 电导法》.pdf 7

NBN T 03-358-1981 4375 Sodium perborates for industrial use - Determination of rate of solution - Conductivity method《工业用过硼酸钠，溶液比率的测定 电导法》.pdfNBN T 03-358-1981 4375 Sodium perborates for industrial use - Determination of rate of solution - Conductivity method《工业用过硼酸钠，溶液比率的测定 电导法》.pdf

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NBN T 03-357-1981 5625 Boric acid boric oxide disodium tetraborates sodium perborates and crude sodium borates for industrial use - Determination of iron content - 2 21-Bipyridyl p.pdf 8

NBN T 03-357-1981 5625 Boric acid boric oxide disodium tetraborates sodium perborates and crude sodium borates for industrial use - Determination of iron content - 2 21-Bipyridyl p.pdfNBN T 03-357-1981 5625 Boric acid boric oxide disodium tetraborates sodium perborates and crude sodium borates for industrial use - Determination of iron content - 2 21-Bipyridyl p.pdf

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