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NF C45-250-7-2006 Electromechanical elementary relays - Part 7 test and measurement procedures 《机电式初等继电器 第7部分 试验和测试方法》.pdf 92

NF C45-250-7-2006 Electromechanical elementary relays - Part 7 test and measurement procedures 《机电式初等继电器 第7部分 试验和测试方法》.pdfNF C45-250-7-2006 Electromechanical elementary relays - Part 7 test and measurement procedures 《机电式初等继电器 第7部分 试验和测试方法》.pdf

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NF C45-250-1999 Electromechanical non-specified time all-or-nothing relays Part 1 general requirements 《机电不规定时限的有或无继电器 第1部分 一般要求》.pdf 34

NF C45-250-1999 Electromechanical non-specified time all-or-nothing relays Part 1 general requirements 《机电不规定时限的有或无继电器 第1部分 一般要求》.pdfNF C45-250-1999 Electromechanical non-specified time all-or-nothing relays Part 1 general requirements 《机电不规定时限的有或无继电器 第1部分 一般要求》.pdf

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NF C27-226-1998 Insulating liquids Oil-impregnated paper and pressboard Determination of water by automatic coulometric Karl Fischer titration 《绝缘液体 浸油纸及浸油纸板 用自动库仑计卡尔费歇尔滴定法测定水含量》.pdf 26

NF C27-226-1998 Insulating liquids Oil-impregnated paper and pressboard Determination of water by automatic coulometric Karl Fischer titration 《绝缘液体 浸油纸及浸油纸板 用自动库仑计卡尔费歇尔滴定法测定水含量》.pdfNF C27-226-1998 Insulating liquids Oil-impregnated paper and pressboard Determination of water by automatic coulometric Karl Fischer titration 《绝缘液体 浸油纸及浸油纸板 用自动库仑计卡尔费歇尔滴定法测定水含量》.pdf

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NF C27-225-1978 Determination of the aromatic hydrocarbon content of new mineral insulating oils 《新矿物绝缘油中芳香烃含量的测定》.pdf 8

NF C27-225-1978 Determination of the aromatic hydrocarbon content of new mineral insulating oils 《新矿物绝缘油中芳香烃含量的测定》.pdfNF C27-225-1978 Determination of the aromatic hydrocarbon content of new mineral insulating oils 《新矿物绝缘油中芳香烃含量的测定》.pdf

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NF C27-218-1988 Fluids for electrotechnical applications Methods for the determination of the lighting impulse breakdown-voltage of insulating liquids 《电工装置用流体 绝缘液体光脉冲击穿电压的测定方法》.pdf 15

NF C27-218-1988 Fluids for electrotechnical applications Methods for the determination of the lighting impulse breakdown-voltage of insulating liquids 《电工装置用流体 绝缘液体光脉冲击穿电压的测定方法》.pdfNF C27-218-1988 Fluids for electrotechnical applications Methods for the determination of the lighting impulse breakdown-voltage of insulating liquids 《电工装置用流体 绝缘液体光脉冲击穿电压的测定方法》.pdf

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NF C27-140-2005 Petroleum products and lubricants - Triaryl phosphate ester turbine control fluid (category ISO-L-TCD) - Specifications 《石油产品和润滑剂 三芳基磷酸酯涡轮机控制液(ISO-L-TCD类) 规范》.pdf 16

NF C27-140-2005 Petroleum products and lubricants - Triaryl phosphate ester turbine control fluid (category ISO-L-TCD) - Specifications 《石油产品和润滑剂 三芳基磷酸酯涡轮机控制液(ISO-L-TCD类) 规范》.pdfNF C27-140-2005 Petroleum products and lubricants - Triaryl phosphate ester turbine control fluid (category ISO-L-TCD) - Specifications 《石油产品和润滑剂 三芳基磷酸酯涡轮机控制液(ISO-L-TCD类) 规范》.pdf

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NF C27-132-1994 Guide for the maintenance of silicone transformer liquids 《含硅变压器液体的维护指南》.pdf 7

NF C27-132-1994 Guide for the maintenance of silicone transformer liquids 《含硅变压器液体的维护指南》.pdfNF C27-132-1994 Guide for the maintenance of silicone transformer liquids 《含硅变压器液体的维护指南》.pdf

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NF C11-405-2009 Electrical installations for lighting and beaconing of aerodromes - Technical requirements for aeronautical ground lighting control and monitoring systems - Units fvidu.pdf 18

NF C11-405-2009 Electrical installations for lighting and beaconing of aerodromes - Technical requirements for aeronautical ground lighting control and monitoring systems - Units fvidu.pdfNF C11-405-2009 Electrical installations for lighting and beaconing of aerodromes - Technical requirements for aeronautical ground lighting control and monitoring systems - Units fvidu.pdf

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NF C11-404-2006 Electrical installations for lighting and beaconing of aerodromes - AGL series transformers 《机场照明和信标导航用电气设备 AGL系列变压器》.pdf 27

NF C11-404-2006 Electrical installations for lighting and beaconing of aerodromes - AGL series transformers 《机场照明和信标导航用电气设备 AGL系列变压器》.pdfNF C11-404-2006 Electrical installations for lighting and beaconing of aerodromes - AGL series transformers 《机场照明和信标导航用电气设备 AGL系列变压器》.pdf

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NF C11-302-1995 Performance and testing of teleprotection equipment of power systems Part 2 analogue comparison systems 《电力系统遥控保护设备的试验和性能》.pdf 42

NF C11-302-1995 Performance and testing of teleprotection equipment of power systems Part 2 analogue comparison systems 《电力系统遥控保护设备的试验和性能》.pdfNF C11-302-1995 Performance and testing of teleprotection equipment of power systems Part 2 analogue comparison systems 《电力系统遥控保护设备的试验和性能》.pdf

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