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NBN V 21-013-1978 1250 Determination of the total nitrogen contaimng substances content of milk - Amido black method《牛奶物质含量中的氮总量的测定（酰胺黑法）》.pdf 7

NBN V 21-013-1978 1250 Determination of the total nitrogen contaimng substances content of milk - Amido black method《牛奶物质含量中的氮总量的测定（酰胺黑法）》.pdfNBN V 21-013-1978 1250 Determination of the total nitrogen contaimng substances content of milk - Amido black method《牛奶物质含量中的氮总量的测定（酰胺黑法）》.pdf

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NBN V 21-012-1978 6250 Detection of penicillin in milk by the disk assay technique《用管碟法检测牛奶中青霉素》.pdf 7

NBN V 21-012-1978 6250 Detection of penicillin in milk by the disk assay technique《用管碟法检测牛奶中青霉素》.pdfNBN V 21-012-1978 6250 Detection of penicillin in milk by the disk assay technique《用管碟法检测牛奶中青霉素》.pdf

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NBN T 52-022-1978 8750 Petroleum distillates - Determination of olefinic plus aromatic hydrocarbons content《石油馏出物 芳香烃基》.pdf 11

NBN T 52-022-1978 8750 Petroleum distillates - Determination of olefinic plus aromatic hydrocarbons content《石油馏出物 芳香烃基》.pdfNBN T 52-022-1978 8750 Petroleum distillates - Determination of olefinic plus aromatic hydrocarbons content《石油馏出物 芳香烃基》.pdf

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NBN T 52-020-1990 4375 Analyse van vloeibare aardoliekoolwaterstoffen - Gaschromatografische analyse - Bepaling van deorganische zuurstofverbindingen en van de organisch gebonden ze d.pdf 8

NBN T 52-020-1990 4375 Analyse van vloeibare aardoliekoolwaterstoffen - Gaschromatografische analyse - Bepaling van deorganische zuurstofverbindingen en van de organisch gebonden ze d.pdfNBN T 52-020-1990 4375 Analyse van vloeibare aardoliekoolwaterstoffen - Gaschromatografische analyse - Bepaling van deorganische zuurstofverbindingen en van de organisch gebonden ze d.pdf

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NBN T 52-019-1990 1250 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Acetone《液态矿物油烃类 气相色谱分析 丙酮》.pdf 4

NBN T 52-019-1990 1250 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Acetone《液态矿物油烃类 气相色谱分析 丙酮》.pdfNBN T 52-019-1990 1250 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Acetone《液态矿物油烃类 气相色谱分析 丙酮》.pdf

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NBN T 52-017-1990 6875 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Methyl-tert-butylether《液态矿物油烃类 气相色谱分析 甲基；三元醇；丁基醚》.pdf 4

NBN T 52-017-1990 6875 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Methyl-tert-butylether《液态矿物油烃类 气相色谱分析 甲基；三元醇；丁基醚》.pdfNBN T 52-017-1990 6875 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Methyl-tert-butylether《液态矿物油烃类 气相色谱分析 甲基；三元醇；丁基醚》.pdf

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NBN T 52-014-1990 4375 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Alcohols《液态矿物油烃类 气相色谱分析 酒精》.pdf 5

NBN T 52-014-1990 4375 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Alcohols《液态矿物油烃类 气相色谱分析 酒精》.pdfNBN T 52-014-1990 4375 Analysis of liquid minerai oil hydrocarbons - Gas chromatographic analysis - Alcohols《液态矿物油烃类 气相色谱分析 酒精》.pdf

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NBN T 04-138-1983 3750 Higher alcohols for industrial use - Sulphuric acid colour test《工业用高级醇 硫酸颜料试验》.pdf 1

NBN T 04-138-1983 3750 Higher alcohols for industrial use - Sulphuric acid colour test《工业用高级醇 硫酸颜料试验》.pdfNBN T 04-138-1983 3750 Higher alcohols for industrial use - Sulphuric acid colour test《工业用高级醇 硫酸颜料试验》.pdf

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NBN T 04-137-1983 0000 Higher alcohols for industrial use - Determination of distillation yield《工业用高级醇 蒸馏收率的测定》.pdf 1

NBN T 04-137-1983 0000 Higher alcohols for industrial use - Determination of distillation yield《工业用高级醇 蒸馏收率的测定》.pdfNBN T 04-137-1983 0000 Higher alcohols for industrial use - Determination of distillation yield《工业用高级醇 蒸馏收率的测定》.pdf

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NBN T 04-136-1983 1250 Higher alcohols for industrial use - Determination of asb《工业用高级醇 灰分测定》.pdf 1

NBN T 04-136-1983 1250 Higher alcohols for industrial use - Determination of asb《工业用高级醇 灰分测定》.pdfNBN T 04-136-1983 1250 Higher alcohols for industrial use - Determination of asb《工业用高级醇 灰分测定》.pdf

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