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NBN T 61-001-1983 5625 Admixtures for mortar concrete and groutas-Classification and definitions《灰浆和混凝土用添加剂 分类和定义》.pdf 6

NBN T 61-001-1983 5625 Admixtures for mortar concrete and groutas-Classification and definitions《灰浆和混凝土用添加剂 分类和定义》.pdfNBN T 61-001-1983 5625 Admixtures for mortar concrete and groutas-Classification and definitions《灰浆和混凝土用添加剂 分类和定义》.pdf

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NBN T 52-999-1974 8750 - Specification of petroleum products and validity of the test results in function of the fidelity of the methods 《石油产品 石油产品说明和根据方法的准确性所得实验结果的有效性》.pdf 22

NBN T 52-999-1974 8750 - Specification of petroleum products and validity of the test results in function of the fidelity of the methods 《石油产品 石油产品说明和根据方法的准确性所得实验结果的有效性》.pdfNBN T 52-999-1974 8750 - Specification of petroleum products and validity of the test results in function of the fidelity of the methods 《石油产品 石油产品说明和根据方法的准确性所得实验结果的有效性》.pdf

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NBN T 52-900-1976 1875 Petroleumproducts - Definition of terms in use in the petroleum industry《石油产品 石油工业使用术语的定义》.pdf 15

NBN T 52-900-1976 1875 Petroleumproducts - Definition of terms in use in the petroleum industry《石油产品 石油工业使用术语的定义》.pdfNBN T 52-900-1976 1875 Petroleumproducts - Definition of terms in use in the petroleum industry《石油产品 石油工业使用术语的定义》.pdf

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NBN T 04-404-1983 8125 Liquid halogenated hydrocarbons for industrial use - Determination of residue on evaporation《工业液态卤代烃 蒸发中剩余物的测量》.pdf 1

NBN T 04-404-1983 8125 Liquid halogenated hydrocarbons for industrial use - Determination of residue on evaporation《工业液态卤代烃 蒸发中剩余物的测量》.pdfNBN T 04-404-1983 8125 Liquid halogenated hydrocarbons for industrial use - Determination of residue on evaporation《工业液态卤代烃 蒸发中剩余物的测量》.pdf

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NBN T 04-403-1983 3750 Liquid halogenated hydrocarbons for industrial use - Sampling《工业液态卤代烃 取样》.pdf 1

NBN T 04-403-1983 3750 Liquid halogenated hydrocarbons for industrial use - Sampling《工业液态卤代烃 取样》.pdfNBN T 04-403-1983 3750 Liquid halogenated hydrocarbons for industrial use - Sampling《工业液态卤代烃 取样》.pdf

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NBN T 04-402-1983 5000 Liquid halogenated hydrocarbons for industrial use - Determination of cloud point《工业液态卤代烃 浊点测量》.pdf 1

NBN T 04-402-1983 5000 Liquid halogenated hydrocarbons for industrial use - Determination of cloud point《工业液态卤代烃 浊点测量》.pdfNBN T 04-402-1983 5000 Liquid halogenated hydrocarbons for industrial use - Determination of cloud point《工业液态卤代烃 浊点测量》.pdf

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NBN T 04-401-1983 6250 Liquid halogenated hydrocarbons for industrial use - Determination of acidity-Titrimetric method《工业液态卤代烃 酸度测量（滴定测量法）》.pdf 1

NBN T 04-401-1983 6250 Liquid halogenated hydrocarbons for industrial use - Determination of acidity-Titrimetric method《工业液态卤代烃 酸度测量（滴定测量法）》.pdfNBN T 04-401-1983 6250 Liquid halogenated hydrocarbons for industrial use - Determination of acidity-Titrimetric method《工业液态卤代烃 酸度测量（滴定测量法）》.pdf

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NBN T 04-333-1988 6250 Caprolactam for industrial use - Determination of colour of 5 0 %aqueous caprolactam solution expressed in Hazen units (platinum-cobalt scale) - Spectrometri.pdf 4

NBN T 04-333-1988 6250 Caprolactam for industrial use - Determination of colour of 5 0 %aqueous caprolactam solution expressed in Hazen units (platinum-cobalt scale) - Spectrometri.pdfNBN T 04-333-1988 6250 Caprolactam for industrial use - Determination of colour of 5 0 %aqueous caprolactam solution expressed in Hazen units (platinum-cobalt scale) - Spectrometri.pdf

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NBN T 03-297-1980 1250 Sodium pyrophosphate for industrial use - Estimation of pyrophosphate content - Potentiometric method《工业用焦磷酸钠，焦磷酸盐含量的测定 电势法》.pdf 1

NBN T 03-297-1980 1250 Sodium pyrophosphate for industrial use - Estimation of pyrophosphate content - Potentiometric method《工业用焦磷酸钠，焦磷酸盐含量的测定 电势法》.pdfNBN T 03-297-1980 1250 Sodium pyrophosphate for industrial use - Estimation of pyrophosphate content - Potentiometric method《工业用焦磷酸钠，焦磷酸盐含量的测定 电势法》.pdf

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NBN T 03-296-1980 1250 Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of orthophosphate content - Photometric method using the reduced molybdop.pdf 1

NBN T 03-296-1980 1250 Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of orthophosphate content - Photometric method using the reduced molybdop.pdfNBN T 03-296-1980 1250 Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of orthophosphate content - Photometric method using the reduced molybdop.pdf

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