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IEC TS 62441-2011 Safeguards against accidentally caused candle flame ignition for audio video communication and information technology equipment《音频 视频 通讯和信息技术设备因蜡烛点燃引起的意外事故保护措施》.pdf 26

IEC TS 62441-2011 Safeguards against accidentally caused candle flame ignition for audio video communication and information technology equipment《音频 视频 通讯和信息技术设备因蜡烛点燃引起的意外事故保护措施》.pdfIEC TS 62441-2011 Safeguards against accidentally caused candle flame ignition for audio video communication and information technology equipment《音频 视频 通讯和信息技术设备因蜡烛点燃引起的意外事故保护措施》.pdf

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IEC TR 60721-4-6 Edition 1.1-2003 Classification of environmental conditions - Part 4-6 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdf 88

IEC TR 60721-4-6 Edition 1.1-2003 Classification of environmental conditions - Part 4-6 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdfIEC TR 60721-4-6 Edition 1.1-2003 Classification of environmental conditions - Part 4-6 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdf

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IEC TR 60721-4-5 Edition 1.1-2003 Classification of environmental conditions - Part 4-5 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdf 94

IEC TR 60721-4-5 Edition 1.1-2003 Classification of environmental conditions - Part 4-5 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdfIEC TR 60721-4-5 Edition 1.1-2003 Classification of environmental conditions - Part 4-5 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdf

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IEC TR 60721-4-4 Edition 1.1-2003 Classification of environmental conditions - Part 4-4 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdf 110

IEC TR 60721-4-4 Edition 1.1-2003 Classification of environmental conditions - Part 4-4 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdfIEC TR 60721-4-4 Edition 1.1-2003 Classification of environmental conditions - Part 4-4 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdf

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IEC TR 60721-4-3 Edition 1.1-2003 Classification of environmental conditions - Part 4-3 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdf 126

IEC TR 60721-4-3 Edition 1.1-2003 Classification of environmental conditions - Part 4-3 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdfIEC TR 60721-4-3 Edition 1.1-2003 Classification of environmental conditions - Part 4-3 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdf

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IEC TR 60721-4-2 Edition 1.1-2003 Classification of environmental conditions - Part 4-2 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdf 90

IEC TR 60721-4-2 Edition 1.1-2003 Classification of environmental conditions - Part 4-2 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdfIEC TR 60721-4-2 Edition 1.1-2003 Classification of environmental conditions - Part 4-2 Guidance for the correlation and transformation of environmental condition classes of IEC 60.pdf

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IEC 62504-2014 General lighting - Light emitting diode (LED) products and related equipment - Terms and definitions《通用照明 发光二极管(LED)产品及相关设备 术语和定义》.pdf 54

IEC 62504-2014 General lighting - Light emitting diode (LED) products and related equipment - Terms and definitions《通用照明 发光二极管(LED)产品及相关设备 术语和定义》.pdfIEC 62504-2014 General lighting - Light emitting diode (LED) products and related equipment - Terms and definitions《通用照明 发光二极管(LED)产品及相关设备 术语和定义》.pdf

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IEC 62503-2008 Multimedia quality - Method of assessment of synchronization of audio and video《多媒体质量.音频和视频同步的评估方法》.pdf 30

IEC 62503-2008 Multimedia quality - Method of assessment of synchronization of audio and video《多媒体质量.音频和视频同步的评估方法》.pdfIEC 62503-2008 Multimedia quality - Method of assessment of synchronization of audio and video《多媒体质量.音频和视频同步的评估方法》.pdf

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IEC 62501-2009 Voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) power transmission - Electrical testing《高电压直流输电(HVDC)用电压源换流器(VSC)电子管.电气测试》.pdf 88

IEC 62501-2009 Voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) power transmission - Electrical testing《高电压直流输电(HVDC)用电压源换流器(VSC)电子管.电气测试》.pdfIEC 62501-2009 Voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) power transmission - Electrical testing《高电压直流输电(HVDC)用电压源换流器(VSC)电子管.电气测试》.pdf

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IEC 62499-2008 Railway applications - Current collection systems - Pantographs testing methods for carbon contact strips《轨道交通.集流系统.碳滑板用导电弓架试验方法》.pdf 42

IEC 62499-2008 Railway applications - Current collection systems - Pantographs testing methods for carbon contact strips《轨道交通.集流系统.碳滑板用导电弓架试验方法》.pdfIEC 62499-2008 Railway applications - Current collection systems - Pantographs testing methods for carbon contact strips《轨道交通.集流系统.碳滑板用导电弓架试验方法》.pdf

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