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IEC 62443-2-4-2015 Security for industrial automation and control systems - Part 2-4 Security program requirements for IACS service providers《工业自动化和控制系统的安全 第2-4部分 IACS服务提供者的安全方案要求》.pdf 198

IEC 62443-2-4-2015 Security for industrial automation and control systems - Part 2-4 Security program requirements for IACS service providers《工业自动化和控制系统的安全 第2-4部分 IACS服务提供者的安全方案要求》.pdfIEC 62443-2-4-2015 Security for industrial automation and control systems - Part 2-4 Security program requirements for IACS service providers《工业自动化和控制系统的安全 第2-4部分 IACS服务提供者的安全方案要求》.pdf

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IEC 62440-2008 Electric cables with a rated voltage not exceeding 450 750 V - Guide to use《额定电压不超过450 750V的电缆.使用指南》.pdf 52

IEC 62440-2008 Electric cables with a rated voltage not exceeding 450 750 V - Guide to use《额定电压不超过450 750V的电缆.使用指南》.pdfIEC 62440-2008 Electric cables with a rated voltage not exceeding 450 750 V - Guide to use《额定电压不超过450 750V的电缆.使用指南》.pdf

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IEC 62054-21-2004 Electricity metering (a.c.) - Tariff and load control - Part 21 Particular requirements for time switches《交流测量.费率和负荷控制.第21部分 时间开关的特殊要求》.pdf 11

IEC 62054-21-2004 Electricity metering (a.c.) - Tariff and load control - Part 21 Particular requirements for time switches《交流测量.费率和负荷控制.第21部分 时间开关的特殊要求》.pdfIEC 62054-21-2004 Electricity metering (a.c.) - Tariff and load control - Part 21 Particular requirements for time switches《交流测量.费率和负荷控制.第21部分 时间开关的特殊要求》.pdf

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IEC 62054-11-2004 Electricity metering (a.c.) - Tariff and load control - Part 11 Particular requirements for electronic ripple control receivers《电量测量(交流).税费和负载控制.第11部分 电子脉动控制接收器的特殊要求》.pdf 30

IEC 62054-11-2004 Electricity metering (a.c.) - Tariff and load control - Part 11 Particular requirements for electronic ripple control receivers《电量测量(交流).税费和负载控制.第11部分 电子脉动控制接收器的特殊要求》.pdfIEC 62054-11-2004 Electricity metering (a.c.) - Tariff and load control - Part 11 Particular requirements for electronic ripple control receivers《电量测量(交流).税费和负载控制.第11部分 电子脉动控制接收器的特殊要求》.pdf

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IEC 62053-61-1998 Electricity metering equipment (a.c.) - Particular requirements - Part 61 Power consumption and voltage requirements《电量测量设备交流 特殊要求 第61部分 功耗和电压要求》.pdf 18

IEC 62053-61-1998 Electricity metering equipment (a.c.) - Particular requirements - Part 61 Power consumption and voltage requirements《电量测量设备交流 特殊要求 第61部分 功耗和电压要求》.pdfIEC 62053-61-1998 Electricity metering equipment (a.c.) - Particular requirements - Part 61 Power consumption and voltage requirements《电量测量设备交流 特殊要求 第61部分 功耗和电压要求》.pdf

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IEC 62053-52-2005 Electricity metering equipment (AC) - Particular requirements - Part 52 Symbols《电量测量设备(交流电).特殊要求.第52部分 符号》.pdf 42

IEC 62053-52-2005 Electricity metering equipment (AC) - Particular requirements - Part 52 Symbols《电量测量设备(交流电).特殊要求.第52部分 符号》.pdfIEC 62053-52-2005 Electricity metering equipment (AC) - Particular requirements - Part 52 Symbols《电量测量设备(交流电).特殊要求.第52部分 符号》.pdf

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IEC 62053-23-2003 Electricity metering equipment (a.c.) - Particular requirements - Part 23 Static meters for reactive energy (classes 2 and 3)《电量测量设备(交流电).特殊要求.第22部分 静态乏时计(2和3级)》.pdf 44

IEC 62053-23-2003 Electricity metering equipment (a.c.) - Particular requirements - Part 23 Static meters for reactive energy (classes 2 and 3)《电量测量设备(交流电).特殊要求.第22部分 静态乏时计(2和3级)》.pdfIEC 62053-23-2003 Electricity metering equipment (a.c.) - Particular requirements - Part 23 Static meters for reactive energy (classes 2 and 3)《电量测量设备(交流电).特殊要求.第22部分 静态乏时计(2和3级)》.pdf

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IEC 61755-3-6 Edition 1.1-2012 Fibre optic connector optical interfaces - Part 3-6 Optical interface - 2 5 mm and 1 25 mm diameter cylindrical 8 degrees angled-PC composite ferrule.pdf 24

IEC 61755-3-6 Edition 1.1-2012 Fibre optic connector optical interfaces - Part 3-6 Optical interface - 2 5 mm and 1 25 mm diameter cylindrical 8 degrees angled-PC composite ferrule.pdfIEC 61755-3-6 Edition 1.1-2012 Fibre optic connector optical interfaces - Part 3-6 Optical interface - 2 5 mm and 1 25 mm diameter cylindrical 8 degrees angled-PC composite ferrule.pdf

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IEC 61755-3-5-2006 Fibre optic connector optical interfaces - Part 3-5 Optical interface - 2 5 mm and 1 25 mm diameter cylindrical PC composite ferrule using Cu-Ni-alloy as fibre s.pdf 28

IEC 61755-3-5-2006 Fibre optic connector optical interfaces - Part 3-5 Optical interface - 2 5 mm and 1 25 mm diameter cylindrical PC composite ferrule using Cu-Ni-alloy as fibre s.pdfIEC 61755-3-5-2006 Fibre optic connector optical interfaces - Part 3-5 Optical interface - 2 5 mm and 1 25 mm diameter cylindrical PC composite ferrule using Cu-Ni-alloy as fibre s.pdf

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IEC 61755-3-32-2015 Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 3-32 Connector parameters of non-dispersion shifted single mode.pdf 42

IEC 61755-3-32-2015 Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 3-32 Connector parameters of non-dispersion shifted single mode.pdfIEC 61755-3-32-2015 Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 3-32 Connector parameters of non-dispersion shifted single mode.pdf

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