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IEC 60834-2-1993 Performance and testing of teleprotection equipment of power systems part 2 analogue comparison systems《电力系统远方保护设备的性能和试验 第2部分 模拟比较系统》.pdf 82

IEC 60834-2-1993 Performance and testing of teleprotection equipment of power systems part 2 analogue comparison systems《电力系统远方保护设备的性能和试验 第2部分 模拟比较系统》.pdfIEC 60834-2-1993 Performance and testing of teleprotection equipment of power systems part 2 analogue comparison systems《电力系统远方保护设备的性能和试验 第2部分 模拟比较系统》.pdf

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IEC 60832-2-2010 Live working - Insulating sticks and attachable devices - Part 2 Attachable devices《带电作业.绝缘杆及附件设备.第2部分 附件设备》.pdf 126

IEC 60832-2-2010 Live working - Insulating sticks and attachable devices - Part 2 Attachable devices《带电作业.绝缘杆及附件设备.第2部分 附件设备》.pdfIEC 60832-2-2010 Live working - Insulating sticks and attachable devices - Part 2 Attachable devices《带电作业.绝缘杆及附件设备.第2部分 附件设备》.pdf

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IEC 60832-1-2010 Live working - Insulating sticks and attachable devices - Part 1 Insulating sticks《带电作业.绝缘杆及附件设备.第1部分 绝缘杆》.pdf 98

IEC 60832-1-2010 Live working - Insulating sticks and attachable devices - Part 1 Insulating sticks《带电作业.绝缘杆及附件设备.第1部分 绝缘杆》.pdfIEC 60832-1-2010 Live working - Insulating sticks and attachable devices - Part 1 Insulating sticks《带电作业.绝缘杆及附件设备.第1部分 绝缘杆》.pdf

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IEC 60667-1-1980 Specification for vulcanized fibre for electrical purposes Part 1 Definitions and general requirement《电工用刚纸规范 第1部分 定义和一般要求》.pdf 12

IEC 60667-1-1980 Specification for vulcanized fibre for electrical purposes Part 1 Definitions and general requirement《电工用刚纸规范 第1部分 定义和一般要求》.pdfIEC 60667-1-1980 Specification for vulcanized fibre for electrical purposes Part 1 Definitions and general requirement《电工用刚纸规范 第1部分 定义和一般要求》.pdf

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IEC 60665-1980 A.C electric ventilating fans and regulators for household and similar purposes《家用和类似用途的交流排气扇及其调速器》.pdf 58

IEC 60665-1980 A.C electric ventilating fans and regulators for household and similar purposes《家用和类似用途的交流排气扇及其调速器》.pdfIEC 60665-1980 A.C electric ventilating fans and regulators for household and similar purposes《家用和类似用途的交流排气扇及其调速器》.pdf

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IEC 60664-4-2005 Insulation coordination for equipment within low-voltage systems - Part 4 Considerations of high-frequency voltage stress《低压系统内设备的绝缘配合.第4部分 高频电压应力的考虑》.pdf 144

IEC 60664-4-2005 Insulation coordination for equipment within low-voltage systems - Part 4 Considerations of high-frequency voltage stress《低压系统内设备的绝缘配合.第4部分 高频电压应力的考虑》.pdfIEC 60664-4-2005 Insulation coordination for equipment within low-voltage systems - Part 4 Considerations of high-frequency voltage stress《低压系统内设备的绝缘配合.第4部分 高频电压应力的考虑》.pdf

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IEC 60664-3-2003 Insulation coordination for equipment within low-voltage systems - Part 3 Use of coating potting or moulding for protection against pollution《低压系统内设备的绝缘配合.第3部分 防污染用铸封或压模涂层的使用》.pdf 56

IEC 60664-3-2003 Insulation coordination for equipment within low-voltage systems - Part 3 Use of coating potting or moulding for protection against pollution《低压系统内设备的绝缘配合.第3部分 防污染用铸封或压模涂层的使用》.pdfIEC 60664-3-2003 Insulation coordination for equipment within low-voltage systems - Part 3 Use of coating potting or moulding for protection against pollution《低压系统内设备的绝缘配合.第3部分 防污染用铸封或压模涂层的使用》.pdf

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IEC 60664-1-2007 Insulation coordination for equipment within low-voltage systems - Part 1 Principles requirements and tests《低压系统内设备的绝缘配合.第1部分 原则、要求和试验》.pdf 152

IEC 60664-1-2007 Insulation coordination for equipment within low-voltage systems - Part 1 Principles requirements and tests《低压系统内设备的绝缘配合.第1部分 原则、要求和试验》.pdfIEC 60664-1-2007 Insulation coordination for equipment within low-voltage systems - Part 1 Principles requirements and tests《低压系统内设备的绝缘配合.第1部分 原则、要求和试验》.pdf

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IEC 60404-8-6-1999 Magnetic materials - Part 8-6 Specifications for individual materials - Soft magnetic metallic materials《磁性材料 第8部分 单项材料规范 第6节 软磁金属材料》.pdf 15

IEC 60404-8-6-1999 Magnetic materials - Part 8-6 Specifications for individual materials - Soft magnetic metallic materials《磁性材料 第8部分 单项材料规范 第6节 软磁金属材料》.pdfIEC 60404-8-6-1999 Magnetic materials - Part 8-6 Specifications for individual materials - Soft magnetic metallic materials《磁性材料 第8部分 单项材料规范 第6节 软磁金属材料》.pdf

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IEC 60404-8-1-2015 Magnetic materials - Part 8-1 Specifications for individual materials - Magnetically hard materials《磁性材料.第8-1部分 单项材料规范.硬磁材料》.pdf 78

IEC 60404-8-1-2015 Magnetic materials - Part 8-1 Specifications for individual materials - Magnetically hard materials《磁性材料.第8-1部分 单项材料规范.硬磁材料》.pdfIEC 60404-8-1-2015 Magnetic materials - Part 8-1 Specifications for individual materials - Magnetically hard materials《磁性材料.第8-1部分 单项材料规范.硬磁材料》.pdf

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