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NF F48-130-1998 Modular power supply units for systems for signalling equipment telecommunications equipment and computer equipment Convecter module 《铁路固定设备 信号发送设备、电信设备和计算机设备用插件式电源.pdf 36

NF F48-130-1998 Modular power supply units for systems for signalling equipment telecommunications equipment and computer equipment Convecter module 《铁路固定设备 信号发送设备、电信设备和计算机设备用插件式电源.pdfNF F48-130-1998 Modular power supply units for systems for signalling equipment telecommunications equipment and computer equipment Convecter module 《铁路固定设备 信号发送设备、电信设备和计算机设备用插件式电源.pdf

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NF E90-409-1997 Mechanical vibration Declaration and verification of vibration emission values 《机械振动 振动辐射值的说明和检验(欧洲标准EN 12096)》.pdf 16

NF E90-409-1997 Mechanical vibration Declaration and verification of vibration emission values 《机械振动 振动辐射值的说明和检验(欧洲标准EN 12096)》.pdfNF E90-409-1997 Mechanical vibration Declaration and verification of vibration emission values 《机械振动 振动辐射值的说明和检验(欧洲标准EN 12096)》.pdf

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NF E90-405-1-1999 Mechanical vibration and shock Guidance on safety aspects of tests and experiments with people Part 1 exposure to whole-body mechanical vibration and repeated sh.pdf 33

NF E90-405-1-1999 Mechanical vibration and shock Guidance on safety aspects of tests and experiments with people Part 1 exposure to whole-body mechanical vibration and repeated sh.pdfNF E90-405-1-1999 Mechanical vibration and shock Guidance on safety aspects of tests and experiments with people Part 1 exposure to whole-body mechanical vibration and repeated sh.pdf

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NF E90-300-1978 Mechanical vibration of machines with rotational frequencies from 10 S-1 to 200 S-1 Basis for specifying evaluation standards 《10至200转／秒旋转频率的机器的机械振动 评定标准制定的基础》.pdf 10

NF E90-300-1978 Mechanical vibration of machines with rotational frequencies from 10 S-1 to 200 S-1 Basis for specifying evaluation standards 《10至200转／秒旋转频率的机器的机械振动 评定标准制定的基础》.pdfNF E90-300-1978 Mechanical vibration of machines with rotational frequencies from 10 S-1 to 200 S-1 Basis for specifying evaluation standards 《10至200转／秒旋转频率的机器的机械振动 评定标准制定的基础》.pdf

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NF E90-230-1982 Auxiliary tables for vibration generators Methods of describing characteristics 《振动发生器辅助工作台 特性描述方法》.pdf 15

NF E90-230-1982 Auxiliary tables for vibration generators Methods of describing characteristics 《振动发生器辅助工作台 特性描述方法》.pdfNF E90-230-1982 Auxiliary tables for vibration generators Methods of describing characteristics 《振动发生器辅助工作台 特性描述方法》.pdf

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NF E90-220-1991 Servo-hydraulic test equipment for generating vibration Method of describing characteristics 《产生振动用伺服 - 液压试验设备 特性描述方法》.pdf 42

NF E90-220-1991 Servo-hydraulic test equipment for generating vibration Method of describing characteristics 《产生振动用伺服 - 液压试验设备 特性描述方法》.pdfNF E90-220-1991 Servo-hydraulic test equipment for generating vibration Method of describing characteristics 《产生振动用伺服 - 液压试验设备 特性描述方法》.pdf

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NF E52-300-1978 Dead man-S devices for locotractor Specifications and checkings 《轻便机车的自动刹车安全装置 规范和检验》.pdf 2

NF E52-300-1978 Dead man-S devices for locotractor Specifications and checkings 《轻便机车的自动刹车安全装置 规范和检验》.pdfNF E52-300-1978 Dead man-S devices for locotractor Specifications and checkings 《轻便机车的自动刹车安全装置 规范和检验》.pdf

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NF E52-141 IN1-2009 Forged steel shackles for general lifting purposes - Dee shackles and bow shackles - Grade 6 - Safety 《一般提升用锻钢钩环 D形钩环和弓形钩环 6级 安全性》.pdf 4

NF E52-141 IN1-2009 Forged steel shackles for general lifting purposes - Dee shackles and bow shackles - Grade 6 - Safety 《一般提升用锻钢钩环 D形钩环和弓形钩环 6级 安全性》.pdfNF E52-141 IN1-2009 Forged steel shackles for general lifting purposes - Dee shackles and bow shackles - Grade 6 - Safety 《一般提升用锻钢钩环 D形钩环和弓形钩环 6级 安全性》.pdf

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NF E52-122-1973 OVERHEAD TRAVELLING CRANES WITH FIXED CABINS GENERAL SAFETY RULES 《桥式起重机 带固定驾驶室 一般安全规则》.pdf 11

NF E52-122-1973 OVERHEAD TRAVELLING CRANES WITH FIXED CABINS GENERAL SAFETY RULES 《桥式起重机 带固定驾驶室 一般安全规则》.pdfNF E52-122-1973 OVERHEAD TRAVELLING CRANES WITH FIXED CABINS GENERAL SAFETY RULES 《桥式起重机 带固定驾驶室 一般安全规则》.pdf

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NF E52-037-6 IN1-2009 Components for slings - Safety - Part 6 links - Grade 4 《吊索用部件 安全性 第6部分 索链 4级》.pdf 5

NF E52-037-6 IN1-2009 Components for slings - Safety - Part 6 links - Grade 4 《吊索用部件 安全性 第6部分 索链 4级》.pdfNF E52-037-6 IN1-2009 Components for slings - Safety - Part 6 links - Grade 4 《吊索用部件 安全性 第6部分 索链 4级》.pdf

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