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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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NBN T 04-148-1983 6250 Hexylene glycol for industrial use - List of methods of test《工业用乙二醇 试验方法列表》.pdf 1

NBN T 04-148-1983 6250 Hexylene glycol for industrial use - List of methods of test《工业用乙二醇 试验方法列表》.pdfNBN T 04-148-1983 6250 Hexylene glycol for industrial use - List of methods of test《工业用乙二醇 试验方法列表》.pdf

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NBN T 04-147-1983 6250 Diaceton alcohol and hexylene glycol for industrial use - Test for mis-cibility with water《工业用双丙酮醇和乙二醇 与水的可混合性试验》.pdf 1

NBN T 04-147-1983 6250 Diaceton alcohol and hexylene glycol for industrial use - Test for mis-cibility with water《工业用双丙酮醇和乙二醇 与水的可混合性试验》.pdfNBN T 04-147-1983 6250 Diaceton alcohol and hexylene glycol for industrial use - Test for mis-cibility with water《工业用双丙酮醇和乙二醇 与水的可混合性试验》.pdf

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NBN T 04-146-1983 8750 Diacetone alcohol for industrial use - List of raethods of test《工业用双丙酮醇 试验方法列表》.pdf 1

NBN T 04-146-1983 8750 Diacetone alcohol for industrial use - List of raethods of test《工业用双丙酮醇 试验方法列表》.pdfNBN T 04-146-1983 8750 Diacetone alcohol for industrial use - List of raethods of test《工业用双丙酮醇 试验方法列表》.pdf

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NBN T 03-133-1980 9375 Sodium hydroxide for industrial use - Determination of calcium and magnesium contents - Flame atomic absorption method《工业用氢氧化钠 钙和镁含量的测定 火焰原子吸收法》.pdf 8

NBN T 03-133-1980 9375 Sodium hydroxide for industrial use - Determination of calcium and magnesium contents - Flame atomic absorption method《工业用氢氧化钠 钙和镁含量的测定 火焰原子吸收法》.pdfNBN T 03-133-1980 9375 Sodium hydroxide for industrial use - Determination of calcium and magnesium contents - Flame atomic absorption method《工业用氢氧化钠 钙和镁含量的测定 火焰原子吸收法》.pdf

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NBN T 03-132-1980 5000 Sodium hydroxide for industrial use - Determination of sulphur compounds Method by reduction and titrimetry《工业用氢氧化钠 硫磺化合物的测定 还原和滴定法》.pdf 10

NBN T 03-132-1980 5000 Sodium hydroxide for industrial use - Determination of sulphur compounds Method by reduction and titrimetry《工业用氢氧化钠 硫磺化合物的测定 还原和滴定法》.pdfNBN T 03-132-1980 5000 Sodium hydroxide for industrial use - Determination of sulphur compounds Method by reduction and titrimetry《工业用氢氧化钠 硫磺化合物的测定 还原和滴定法》.pdf

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NBN T 03-131-1980 0625 Sodium hydroxide for industrial use - Determination of chlorides content -Photometrie method《工业用氢氧化钠 氯化物含量的测定 光度测定法》.pdf 6

NBN T 03-131-1980 0625 Sodium hydroxide for industrial use - Determination of chlorides content -Photometrie method《工业用氢氧化钠 氯化物含量的测定 光度测定法》.pdfNBN T 03-131-1980 0625 Sodium hydroxide for industrial use - Determination of chlorides content -Photometrie method《工业用氢氧化钠 氯化物含量的测定 光度测定法》.pdf

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