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NF T73-270-1983 Surface active agents Detergents Non-ionic surface active agents Determination of biodegradability 《表面活性剂 洗涤剂 非离子表面活性剂 生物降解性的测定》.pdf 15

NF T73-270-1983 Surface active agents Detergents Non-ionic surface active agents Determination of biodegradability 《表面活性剂 洗涤剂 非离子表面活性剂 生物降解性的测定》.pdfNF T73-270-1983 Surface active agents Detergents Non-ionic surface active agents Determination of biodegradability 《表面活性剂 洗涤剂 非离子表面活性剂 生物降解性的测定》.pdf

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NF T73-265-1983 Surface active agents Detergents Anionic surface active agents Determination of biodegradability Reference method 《表面活性剂 洗涤剂 阴离子表面活性剂 生物降解性的测定 基准法》.pdf 13

NF T73-265-1983 Surface active agents Detergents Anionic surface active agents Determination of biodegradability Reference method 《表面活性剂 洗涤剂 阴离子表面活性剂 生物降解性的测定 基准法》.pdfNF T73-265-1983 Surface active agents Detergents Anionic surface active agents Determination of biodegradability Reference method 《表面活性剂 洗涤剂 阴离子表面活性剂 生物降解性的测定 基准法》.pdf

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NF T73-261-1973 Surface active agents Anionic active matter hydrolysable under alkaline conditions Determination of hydrolysable and non hydrolysable active matter 《表面活性剂 碱性条件下水解阴离.pdf 4

NF T73-261-1973 Surface active agents Anionic active matter hydrolysable under alkaline conditions Determination of hydrolysable and non hydrolysable active matter 《表面活性剂 碱性条件下水解阴离.pdfNF T73-261-1973 Surface active agents Anionic active matter hydrolysable under alkaline conditions Determination of hydrolysable and non hydrolysable active matter 《表面活性剂 碱性条件下水解阴离.pdf

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NF T73-260-1981 Surface active agents Detergents Anionic surface active agents Determination of biodegradability 《表面活性剂 洗涤剂 阴离子表面活性剂 生物降解性的测定》.pdf 12

NF T73-260-1981 Surface active agents Detergents Anionic surface active agents Determination of biodegradability 《表面活性剂 洗涤剂 阴离子表面活性剂 生物降解性的测定》.pdfNF T73-260-1981 Surface active agents Detergents Anionic surface active agents Determination of biodegradability 《表面活性剂 洗涤剂 阴离子表面活性剂 生物降解性的测定》.pdf

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NF T56-104-1978 Ruber or plastics based cellular products Determination of punching proof stress of rigid cellular materials 《橡胶或塑料基泡沫材料 刚性泡沫材料抗穿孔应力的测定》.pdf 8

NF T56-104-1978 Ruber or plastics based cellular products Determination of punching proof stress of rigid cellular materials 《橡胶或塑料基泡沫材料 刚性泡沫材料抗穿孔应力的测定》.pdfNF T56-104-1978 Ruber or plastics based cellular products Determination of punching proof stress of rigid cellular materials 《橡胶或塑料基泡沫材料 刚性泡沫材料抗穿孔应力的测定》.pdf

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NF T54-973-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Valves - Operating extentions and telescopic extensions for valves 《气态燃料供应用塑料管道系统 聚乙烯(.pdf 7

NF T54-973-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Valves - Operating extentions and telescopic extensions for valves 《气态燃料供应用塑料管道系统 聚乙烯(.pdfNF T54-973-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Valves - Operating extentions and telescopic extensions for valves 《气态燃料供应用塑料管道系统 聚乙烯(.pdf

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NF T54-972-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Valves - Leaktightness angular range and additional dimensional specifications 《气态燃料供应.pdf 8

NF T54-972-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Valves - Leaktightness angular range and additional dimensional specifications 《气态燃料供应.pdfNF T54-972-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Valves - Leaktightness angular range and additional dimensional specifications 《气态燃料供应.pdf

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NF T54-970-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Electrofusion tapping tees - Design of tapping tees and leak flow rate for the cutter .pdf 10

NF T54-970-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Electrofusion tapping tees - Design of tapping tees and leak flow rate for the cutter .pdfNF T54-970-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Electrofusion tapping tees - Design of tapping tees and leak flow rate for the cutter .pdf

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NF T54-969-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Electrofusion ancillaries - Safety time of the fusion cycle 《气体燃料供应用塑料管道系统 聚乙烯(PE) 电熔融.pdf 7

NF T54-969-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Electrofusion ancillaries - Safety time of the fusion cycle 《气体燃料供应用塑料管道系统 聚乙烯(PE) 电熔融.pdfNF T54-969-2004 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Electrofusion ancillaries - Safety time of the fusion cycle 《气体燃料供应用塑料管道系统 聚乙烯(PE) 电熔融.pdf

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NF T31-006-1983 Pigments Zinc oxide (zinc white) 《颜料 锌白》.pdf 10

NF T31-006-1983 Pigments Zinc oxide (zinc white) 《颜料 锌白》.pdfNF T31-006-1983 Pigments Zinc oxide (zinc white) 《颜料 锌白》.pdf

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