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IEC 61620-1998 Insulating liquids - Determination of dielectric dissipation factor by measurement of the conductance and capacitance - Test method《绝缘液体 测量电导和电容确定介质损耗因数 试验方法》.pdf 16

IEC 61620-1998 Insulating liquids - Determination of dielectric dissipation factor by measurement of the conductance and capacitance - Test method《绝缘液体 测量电导和电容确定介质损耗因数 试验方法》.pdfIEC 61620-1998 Insulating liquids - Determination of dielectric dissipation factor by measurement of the conductance and capacitance - Test method《绝缘液体 测量电导和电容确定介质损耗因数 试验方法》.pdf

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IEC 61619-1997 Insulating liquids - Contamination by polychlorinated biphenyls (PCBs) - Method of determination by capillary column gas chromatography《绝缘液体 多氯联苯(PCBs)污染 毛细管柱气相色谱测定方法》.pdf 72

IEC 61619-1997 Insulating liquids - Contamination by polychlorinated biphenyls (PCBs) - Method of determination by capillary column gas chromatography《绝缘液体 多氯联苯(PCBs)污染 毛细管柱气相色谱测定方法》.pdfIEC 61619-1997 Insulating liquids - Contamination by polychlorinated biphenyls (PCBs) - Method of determination by capillary column gas chromatography《绝缘液体 多氯联苯(PCBs)污染 毛细管柱气相色谱测定方法》.pdf

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IEC 61610-1995 Prints and transparencies produced from electronic sources - Assessment of image quality《电子源制相片及透明软片 图像质量的评定》.pdf 74

IEC 61610-1995 Prints and transparencies produced from electronic sources - Assessment of image quality《电子源制相片及透明软片 图像质量的评定》.pdfIEC 61610-1995 Prints and transparencies produced from electronic sources - Assessment of image quality《电子源制相片及透明软片 图像质量的评定》.pdf

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IEC 61609-1996 Microwave ferrite components - Guide for the drafting of specifications《微波铁氧体元件 规范编写指南》.pdf 16

IEC 61609-1996 Microwave ferrite components - Guide for the drafting of specifications《微波铁氧体元件 规范编写指南》.pdfIEC 61609-1996 Microwave ferrite components - Guide for the drafting of specifications《微波铁氧体元件 规范编写指南》.pdf

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IEC 61606-4-2005 Audio and audiovisual equipment - Digital audio parts - Basic measurements methods of audio characteristics - Part 4 Personal computer《音频和视听设备.数字音频部分.音频特性的基本测量方法.第4部分 个人电脑》.pdf 66

IEC 61606-4-2005 Audio and audiovisual equipment - Digital audio parts - Basic measurements methods of audio characteristics - Part 4 Personal computer《音频和视听设备.数字音频部分.音频特性的基本测量方法.第4部分 个人电脑》.pdfIEC 61606-4-2005 Audio and audiovisual equipment - Digital audio parts - Basic measurements methods of audio characteristics - Part 4 Personal computer《音频和视听设备.数字音频部分.音频特性的基本测量方法.第4部分 个人电脑》.pdf

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IEC 61260-3-2016 Electroacoustics - Octave-band and fractional-octave-band filters - Part 3 Periodic tests《电声学 倍频带和分数倍频带滤波器 第3部分 定期试验》.pdf 50

IEC 61260-3-2016 Electroacoustics - Octave-band and fractional-octave-band filters - Part 3 Periodic tests《电声学 倍频带和分数倍频带滤波器 第3部分 定期试验》.pdfIEC 61260-3-2016 Electroacoustics - Octave-band and fractional-octave-band filters - Part 3 Periodic tests《电声学 倍频带和分数倍频带滤波器 第3部分 定期试验》.pdf

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IEC 61260-1-2014 IEC 61260-1 Electroacoustics - Octave-band and fractional-octave-band filters - Part 1 Specifications《IEC 61260-1 电声学.分倍频程和频程频带滤波器.第1部分 规格》.pdf 92

IEC 61260-1-2014 IEC 61260-1 Electroacoustics - Octave-band and fractional-octave-band filters - Part 1 Specifications《IEC 61260-1 电声学.分倍频程和频程频带滤波器.第1部分 规格》.pdfIEC 61260-1-2014 IEC 61260-1 Electroacoustics - Octave-band and fractional-octave-band filters - Part 1 Specifications《IEC 61260-1 电声学.分倍频程和频程频带滤波器.第1部分 规格》.pdf

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IEC 61256-1996 Radiation protection instrumentation - Installed monitors for the detection of radioactive contamination of laundry《辐射防护仪表 洗衣房放射污染监测用监测仪》.pdf 72

IEC 61256-1996 Radiation protection instrumentation - Installed monitors for the detection of radioactive contamination of laundry《辐射防护仪表 洗衣房放射污染监测用监测仪》.pdfIEC 61256-1996 Radiation protection instrumentation - Installed monitors for the detection of radioactive contamination of laundry《辐射防护仪表 洗衣房放射污染监测用监测仪》.pdf

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IEC 61255-2014 Household electric heating pads - Methods for measuring performance《家用电热垫 性能测试方法》.pdf 26

IEC 61255-2014 Household electric heating pads - Methods for measuring performance《家用电热垫 性能测试方法》.pdfIEC 61255-2014 Household electric heating pads - Methods for measuring performance《家用电热垫 性能测试方法》.pdf

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IEC 61254-1993 Electric shavers for household use methods for measuring the performance《家用电动剃须刀 性能测试方法》.pdf 94

IEC 61254-1993 Electric shavers for household use methods for measuring the performance《家用电动剃须刀 性能测试方法》.pdfIEC 61254-1993 Electric shavers for household use methods for measuring the performance《家用电动剃须刀 性能测试方法》.pdf

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