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NBN V 21-021-1989 8125 Milk products - Enumeration of yeasts and moulds - Colony count technique《乳制品 酵母和霉菌的计数，菌落计数技术》.pdf 10

NBN V 21-021-1989 8125 Milk products - Enumeration of yeasts and moulds - Colony count technique《乳制品 酵母和霉菌的计数，菌落计数技术》.pdfNBN V 21-021-1989 8125 Milk products - Enumeration of yeasts and moulds - Colony count technique《乳制品 酵母和霉菌的计数，菌落计数技术》.pdf

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NBN V 21-018-1979 8125 Determination of titrable acidity of fat in butter and butteroil《奶油和乳脂肪 中脂肪的可滴定酸度的测定》.pdf 6

NBN V 21-018-1979 8125 Determination of titrable acidity of fat in butter and butteroil《奶油和乳脂肪 中脂肪的可滴定酸度的测定》.pdfNBN V 21-018-1979 8125 Determination of titrable acidity of fat in butter and butteroil《奶油和乳脂肪 中脂肪的可滴定酸度的测定》.pdf

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NBN V 21-017-1978 9375 Milk and milk products - Determination of the organochlorine pecticide re-sidues content《牛奶和牛奶制品，有机氯农药残留量的测定》.pdf 8

NBN V 21-017-1978 9375 Milk and milk products - Determination of the organochlorine pecticide re-sidues content《牛奶和牛奶制品，有机氯农药残留量的测定》.pdfNBN V 21-017-1978 9375 Milk and milk products - Determination of the organochlorine pecticide re-sidues content《牛奶和牛奶制品，有机氯农药残留量的测定》.pdf

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NBN T 52-050-1988 4375 《石油产品 硫含量的测定 Schoniger燃烧法》.pdf 9

NBN T 52-050-1988 4375 《石油产品 硫含量的测定 Schoniger燃烧法》.pdfNBN T 52-050-1988 4375 《石油产品 硫含量的测定 Schoniger燃烧法》.pdf

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NBN T 52-049-1988 1250 Petroleum products - Determination of carbon residue - Conradson method《石油产品 焦炭残渣的测定 Conradson法》.pdf 10

NBN T 52-049-1988 1250 Petroleum products - Determination of carbon residue - Conradson method《石油产品 焦炭残渣的测定 Conradson法》.pdfNBN T 52-049-1988 1250 Petroleum products - Determination of carbon residue - Conradson method《石油产品 焦炭残渣的测定 Conradson法》.pdf

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NBN T 52-045-1978 6875 Petroleum products - Determination of carbon residue -Ramsbottom method 《石油产品 焦炭残渣的测定 兰氏法》.pdf 12

NBN T 52-045-1978 6875 Petroleum products - Determination of carbon residue -Ramsbottom method 《石油产品 焦炭残渣的测定 兰氏法》.pdfNBN T 52-045-1978 6875 Petroleum products - Determination of carbon residue -Ramsbottom method 《石油产品 焦炭残渣的测定 兰氏法》.pdf

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NBN T 52-041-1984 2500 Petroleum products - Determination of saponification number《石油产品 皂化值的测定》.pdf 1

NBN T 52-041-1984 2500 Petroleum products - Determination of saponification number《石油产品 皂化值的测定》.pdfNBN T 52-041-1984 2500 Petroleum products - Determination of saponification number《石油产品 皂化值的测定》.pdf

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NBN T 52-024-1978 1250 Petroleum distillates and commercial aliphatic olefins -Determination of bromine number - Electrometric method《石油馏出物和商用脂族烯烃 溴值的测定 电测法》.pdf 16

NBN T 52-024-1978 1250 Petroleum distillates and commercial aliphatic olefins -Determination of bromine number - Electrometric method《石油馏出物和商用脂族烯烃 溴值的测定 电测法》.pdfNBN T 52-024-1978 1250 Petroleum distillates and commercial aliphatic olefins -Determination of bromine number - Electrometric method《石油馏出物和商用脂族烯烃 溴值的测定 电测法》.pdf

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NBN T 04-150-1983 0000 Butane-1 4-diol for industrial use - Determination of degree of un-saturation《工业用丁二醇 1 4 不饱和度的测定》.pdf 1

NBN T 04-150-1983 0000 Butane-1 4-diol for industrial use - Determination of degree of un-saturation《工业用丁二醇 1 4 不饱和度的测定》.pdfNBN T 04-150-1983 0000 Butane-1 4-diol for industrial use - Determination of degree of un-saturation《工业用丁二醇 1 4 不饱和度的测定》.pdf

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NBN T 04-149-1983 7500 But-2-ene-1 4-diol for industrial use - Determination of iodine value《工业用丁二醇 1 4 碘值的测定》.pdf 1

NBN T 04-149-1983 7500 But-2-ene-1 4-diol for industrial use - Determination of iodine value《工业用丁二醇 1 4 碘值的测定》.pdfNBN T 04-149-1983 7500 But-2-ene-1 4-diol for industrial use - Determination of iodine value《工业用丁二醇 1 4 碘值的测定》.pdf

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