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NBN V 01-011-1975 3125 Tobacco and tobacco products - Cigarettes paper - Determination of the air permeability《烟草和烟草制品 卷烟纸 透气度的测定》.pdf 5

NBN V 01-011-1975 3125 Tobacco and tobacco products - Cigarettes paper - Determination of the air permeability《烟草和烟草制品 卷烟纸 透气度的测定》.pdfNBN V 01-011-1975 3125 Tobacco and tobacco products - Cigarettes paper - Determination of the air permeability《烟草和烟草制品 卷烟纸 透气度的测定》.pdf

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NBN V 01-010-1980 4375 Tobacco and tobacco products - Determination of alkaloid retention by filters of cigarettes《烟草和烟草制品 卷烟，滤嘴总植物碱截留量的测定》.pdf 10

NBN V 01-010-1980 4375 Tobacco and tobacco products - Determination of alkaloid retention by filters of cigarettes《烟草和烟草制品 卷烟，滤嘴总植物碱截留量的测定》.pdfNBN V 01-010-1980 4375 Tobacco and tobacco products - Determination of alkaloid retention by filters of cigarettes《烟草和烟草制品 卷烟，滤嘴总植物碱截留量的测定》.pdf

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NBN V 01-009-1980 4375 Tobacco and tobacco products - Determination of alkaloids in tobacco -Spectrophotometric method《烟草和烟草制品 碱含量的测定 光谱测定法》.pdf 6

NBN V 01-009-1980 4375 Tobacco and tobacco products - Determination of alkaloids in tobacco -Spectrophotometric method《烟草和烟草制品 碱含量的测定 光谱测定法》.pdfNBN V 01-009-1980 4375 Tobacco and tobacco products - Determination of alkaloids in tobacco -Spectrophotometric method《烟草和烟草制品 碱含量的测定 光谱测定法》.pdf

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NBN V 01-008-1980 1250 Tobacco and tobacco products - Determination of alkaloids in cigarette smoke condensate - Spectrophotometric method《烟草和烟草制品 卷烟，烟气冷凝物中植物碱的测定 分光光度法》.pdf 6

NBN V 01-008-1980 1250 Tobacco and tobacco products - Determination of alkaloids in cigarette smoke condensate - Spectrophotometric method《烟草和烟草制品 卷烟，烟气冷凝物中植物碱的测定 分光光度法》.pdfNBN V 01-008-1980 1250 Tobacco and tobacco products - Determination of alkaloids in cigarette smoke condensate - Spectrophotometric method《烟草和烟草制品 卷烟，烟气冷凝物中植物碱的测定 分光光度法》.pdf

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NBN T 42-901-1977 0625 Plastic fittings - Determination of the dimensional stability《塑料配件 尺寸稳定性的测定》.pdf 2

NBN T 42-901-1977 0625 Plastic fittings - Determination of the dimensional stability《塑料配件 尺寸稳定性的测定》.pdfNBN T 42-901-1977 0625 Plastic fittings - Determination of the dimensional stability《塑料配件 尺寸稳定性的测定》.pdf

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NBN T 42-603-1989 8125 《抗压管道的榫合处PVC-U材质管道附件与弹力密封圈》.pdf 1

NBN T 42-603-1989 8125 《抗压管道的榫合处PVC-U材质管道附件与弹力密封圈》.pdfNBN T 42-603-1989 8125 《抗压管道的榫合处PVC-U材质管道附件与弹力密封圈》.pdf

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NBN T 42-603-1988 2500 PVC-U Fittings with elastomeric sealing ring for pressure pipes《压力管橡胶密封环的聚氯乙烯 U配件》.pdf 11

NBN T 42-603-1988 2500 PVC-U Fittings with elastomeric sealing ring for pressure pipes《压力管橡胶密封环的聚氯乙烯 U配件》.pdfNBN T 42-603-1988 2500 PVC-U Fittings with elastomeric sealing ring for pressure pipes《压力管橡胶密封环的聚氯乙烯 U配件》.pdf

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NBN T 42-602-1976 8125 Fittings of PVCC for pipes of PVCC for waste disclwge Systems at high temperature for ventilation and for the transport of hot air《用于高温下排污系统的PVCC管道配件，也可用于通风和.pdf 11

NBN T 42-602-1976 8125 Fittings of PVCC for pipes of PVCC for waste disclwge Systems at high temperature for ventilation and for the transport of hot air《用于高温下排污系统的PVCC管道配件，也可用于通风和.pdfNBN T 42-602-1976 8125 Fittings of PVCC for pipes of PVCC for waste disclwge Systems at high temperature for ventilation and for the transport of hot air《用于高温下排污系统的PVCC管道配件，也可用于通风和.pdf

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NBN T 42-601-1976 8125 Fittings of unplasticized PVC for pipes of unplasticized PVC for domestic waste discharge and sewage《用于生活垃圾处理和污水排泄硬质聚氯乙烯管的硬质聚氯乙烯配件》.pdf 11

NBN T 42-601-1976 8125 Fittings of unplasticized PVC for pipes of unplasticized PVC for domestic waste discharge and sewage《用于生活垃圾处理和污水排泄硬质聚氯乙烯管的硬质聚氯乙烯配件》.pdfNBN T 42-601-1976 8125 Fittings of unplasticized PVC for pipes of unplasticized PVC for domestic waste discharge and sewage《用于生活垃圾处理和污水排泄硬质聚氯乙烯管的硬质聚氯乙烯配件》.pdf

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NBN T 04-094-1983 5000 Ethanol for industrial use - Determination of esters content - Titrimetric method after saponification《工业用乙醇，酯含量的测定 皂化后滴定法》.pdf 1

NBN T 04-094-1983 5000 Ethanol for industrial use - Determination of esters content - Titrimetric method after saponification《工业用乙醇，酯含量的测定 皂化后滴定法》.pdfNBN T 04-094-1983 5000 Ethanol for industrial use - Determination of esters content - Titrimetric method after saponification《工业用乙醇，酯含量的测定 皂化后滴定法》.pdf

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