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NF F56-002-1982 Fixed railway installations Equipment for overhead telecommunication and signalling lines Reinforced concrete socles 《铁路固定设备 通信和信号线路架空线用设备 钢筋混凝土制管座》.pdf 11

NF F56-002-1982 Fixed railway installations Equipment for overhead telecommunication and signalling lines Reinforced concrete socles 《铁路固定设备 通信和信号线路架空线用设备 钢筋混凝土制管座》.pdfNF F56-002-1982 Fixed railway installations Equipment for overhead telecommunication and signalling lines Reinforced concrete socles 《铁路固定设备 通信和信号线路架空线用设备 钢筋混凝土制管座》.pdf

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NF F55-698-1994 Fixed railway equipment Electric signalling Cables with pairs or quads of conductors for signalling circuits 《固定铁路设备 电子信号 信号电路用对绞或四芯导体的电缆》.pdf 46

NF F55-698-1994 Fixed railway equipment Electric signalling Cables with pairs or quads of conductors for signalling circuits 《固定铁路设备 电子信号 信号电路用对绞或四芯导体的电缆》.pdfNF F55-698-1994 Fixed railway equipment Electric signalling Cables with pairs or quads of conductors for signalling circuits 《固定铁路设备 电子信号 信号电路用对绞或四芯导体的电缆》.pdf

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NF F55-681-1996 RAILWAY FIXED EQUIPMENT ANNEALING COPPER BARE CONDUCTORS 《铁路固定设备 退火铜裸导线》.pdf 11

NF F55-681-1996 RAILWAY FIXED EQUIPMENT ANNEALING COPPER BARE CONDUCTORS 《铁路固定设备 退火铜裸导线》.pdfNF F55-681-1996 RAILWAY FIXED EQUIPMENT ANNEALING COPPER BARE CONDUCTORS 《铁路固定设备 退火铜裸导线》.pdf

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NF F55-675-1994 Railway fixed equipment Power cables with synthetic insulation with rated voltage uo U (um) 3 2 3 2 (3 6) kv used for supplying signalling installations 《铁路固定设备 信号.pdf 21

NF F55-675-1994 Railway fixed equipment Power cables with synthetic insulation with rated voltage uo U (um) 3 2 3 2 (3 6) kv used for supplying signalling installations 《铁路固定设备 信号.pdfNF F55-675-1994 Railway fixed equipment Power cables with synthetic insulation with rated voltage uo U (um) 3 2 3 2 (3 6) kv used for supplying signalling installations 《铁路固定设备 信号.pdf

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NF F55-646-1994 Railway fixed equipment Electric conductors used for the device and rail connnection in the track circuits fitting the electrified lines 《铁路固定设备 铁路上轨端电气连接和装置用导电体》.pdf 17

NF F55-646-1994 Railway fixed equipment Electric conductors used for the device and rail connnection in the track circuits fitting the electrified lines 《铁路固定设备 铁路上轨端电气连接和装置用导电体》.pdfNF F55-646-1994 Railway fixed equipment Electric conductors used for the device and rail connnection in the track circuits fitting the electrified lines 《铁路固定设备 铁路上轨端电气连接和装置用导电体》.pdf

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NF F01-135 IN1-2009 Railway applications - Wheelsets and bogies - Wheels - Product requirements 《轨道交通 轮副和转向架 车轮 产品要求》.pdf 7

NF F01-135 IN1-2009 Railway applications - Wheelsets and bogies - Wheels - Product requirements 《轨道交通 轮副和转向架 车轮 产品要求》.pdfNF F01-135 IN1-2009 Railway applications - Wheelsets and bogies - Wheels - Product requirements 《轨道交通 轮副和转向架 车轮 产品要求》.pdf

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NF F01-132-1979 Railway transport equipment Wheel sets for standard gauge rolling stock nominal diameters at the rolling circle of wheels 《铁路运输设备 标准轨距铁路车辆的轮组 车轮轴滚动环部位的公称直径》.pdf 2

NF F01-132-1979 Railway transport equipment Wheel sets for standard gauge rolling stock nominal diameters at the rolling circle of wheels 《铁路运输设备 标准轨距铁路车辆的轮组 车轮轴滚动环部位的公称直径》.pdfNF F01-132-1979 Railway transport equipment Wheel sets for standard gauge rolling stock nominal diameters at the rolling circle of wheels 《铁路运输设备 标准轨距铁路车辆的轮组 车轮轴滚动环部位的公称直径》.pdf

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NF F01-130-1984 Rolling stock Wheels Terminology Definitions Rules applicable to drawing arrangements 《铁路车辆 车轮 术语 定义 与图纸设计有关的规则》.pdf 10

NF F01-130-1984 Rolling stock Wheels Terminology Definitions Rules applicable to drawing arrangements 《铁路车辆 车轮 术语 定义 与图纸设计有关的规则》.pdfNF F01-130-1984 Rolling stock Wheels Terminology Definitions Rules applicable to drawing arrangements 《铁路车辆 车轮 术语 定义 与图纸设计有关的规则》.pdf

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NF F01-125-1984 Rolling stock Wheelsets Terminology Definitions Rules applicable to drawing arrangements 《铁路车辆 轮组 术语 定义 与图纸设计有关的规则》.pdf 7

NF F01-125-1984 Rolling stock Wheelsets Terminology Definitions Rules applicable to drawing arrangements 《铁路车辆 轮组 术语 定义 与图纸设计有关的规则》.pdfNF F01-125-1984 Rolling stock Wheelsets Terminology Definitions Rules applicable to drawing arrangements 《铁路车辆 轮组 术语 定义 与图纸设计有关的规则》.pdf

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NF F01-120-1982 Railway transport equipment Plain axles Terminology Definitions Rules for the preparation of technical drawings 《铁路运输设备 普通轮轴 术语 定义 技术图绘制规则》.pdf 6

NF F01-120-1982 Railway transport equipment Plain axles Terminology Definitions Rules for the preparation of technical drawings 《铁路运输设备 普通轮轴 术语 定义 技术图绘制规则》.pdfNF F01-120-1982 Railway transport equipment Plain axles Terminology Definitions Rules for the preparation of technical drawings 《铁路运输设备 普通轮轴 术语 定义 技术图绘制规则》.pdf

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