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IEC TR 61055-1-1991 Measurement techniques and operational adjustments of broadcast VTRs part 1 operational adjustments on analogue composite broadcast VTRs《广播磁带录像机的测量技术和操作调节 第1部分 模似复合广播磁带录像机的操作.pdf 67

IEC TR 61055-1-1991 Measurement techniques and operational adjustments of broadcast VTRs part 1 operational adjustments on analogue composite broadcast VTRs《广播磁带录像机的测量技术和操作调节 第1部分 模似复合广播磁带录像机的操作.pdfIEC TR 61055-1-1991 Measurement techniques and operational adjustments of broadcast VTRs part 1 operational adjustments on analogue composite broadcast VTRs《广播磁带录像机的测量技术和操作调节 第1部分 模似复合广播磁带录像机的操作.pdf

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IEC TR 61044-2002 Opportunity charging of lead-acid traction batteries《牵引用铅酸蓄电池组的利用机会充电》.pdf 30

IEC TR 61044-2002 Opportunity charging of lead-acid traction batteries《牵引用铅酸蓄电池组的利用机会充电》.pdfIEC TR 61044-2002 Opportunity charging of lead-acid traction batteries《牵引用铅酸蓄电池组的利用机会充电》.pdf

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IEC TR 61015-1990 Brush-holders for electrical machines guide to the measurement of the static thrust applied to brushes《电机用刷握 施加于电刷的静压力的测量指南》.pdf 18

IEC TR 61015-1990 Brush-holders for electrical machines guide to the measurement of the static thrust applied to brushes《电机用刷握 施加于电刷的静压力的测量指南》.pdfIEC TR 61015-1990 Brush-holders for electrical machines guide to the measurement of the static thrust applied to brushes《电机用刷握 施加于电刷的静压力的测量指南》.pdf

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IEC 62567-2013 Overhead lines - Methods for testing self-damping characteristics of conductors《架空线路 导体自阻尼特性的试验方法》.pdf 78

IEC 62567-2013 Overhead lines - Methods for testing self-damping characteristics of conductors《架空线路 导体自阻尼特性的试验方法》.pdfIEC 62567-2013 Overhead lines - Methods for testing self-damping characteristics of conductors《架空线路 导体自阻尼特性的试验方法》.pdf

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IEC 62562-2010 Cavity resonator method to measure the complex permittivity of low-loss dielectric plates《低损耗绝缘板的复电容率的测量用空腔谐振器方法》.pdf 42

IEC 62562-2010 Cavity resonator method to measure the complex permittivity of low-loss dielectric plates《低损耗绝缘板的复电容率的测量用空腔谐振器方法》.pdfIEC 62562-2010 Cavity resonator method to measure the complex permittivity of low-loss dielectric plates《低损耗绝缘板的复电容率的测量用空腔谐振器方法》.pdf

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IEC 62561-5-2017 Lightning protection system components (LPSC) - Part 5 Requirements for earth electrode inspection housings and earth electrode seals《雷电防护系统组件(LPSC).第5部分 接地极检测箱和接地电极密封要求》.pdf 38

IEC 62561-5-2017 Lightning protection system components (LPSC) - Part 5 Requirements for earth electrode inspection housings and earth electrode seals《雷电防护系统组件(LPSC).第5部分 接地极检测箱和接地电极密封要求》.pdfIEC 62561-5-2017 Lightning protection system components (LPSC) - Part 5 Requirements for earth electrode inspection housings and earth electrode seals《雷电防护系统组件(LPSC).第5部分 接地极检测箱和接地电极密封要求》.pdf

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IEC 62561-4-2017 Lightning protection system components (LPSC) - Part 4 Requirements for conductor fasteners《雷电防护系统组件(LPSC).第4部分 导体紧固件用要求》.pdf 50

IEC 62561-4-2017 Lightning protection system components (LPSC) - Part 4 Requirements for conductor fasteners《雷电防护系统组件(LPSC).第4部分 导体紧固件用要求》.pdfIEC 62561-4-2017 Lightning protection system components (LPSC) - Part 4 Requirements for conductor fasteners《雷电防护系统组件(LPSC).第4部分 导体紧固件用要求》.pdf

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IEC 62561-3-2017 Lightning protection system components (LPSC) - Part 3 Requirements for isolating spark gaps (ISG)《避雷系统组件(LPSC).第3部分 隔离火花间隙的要求(ISG)》.pdf 28

IEC 62561-3-2017 Lightning protection system components (LPSC) - Part 3 Requirements for isolating spark gaps (ISG)《避雷系统组件(LPSC).第3部分 隔离火花间隙的要求(ISG)》.pdfIEC 62561-3-2017 Lightning protection system components (LPSC) - Part 3 Requirements for isolating spark gaps (ISG)《避雷系统组件(LPSC).第3部分 隔离火花间隙的要求(ISG)》.pdf

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IEC 62148-1-2002 Fibre optic active components and devices - Package and interface standards - Part 1 General and guidance《光纤有源元件及器件.包装和接口标准.第1部分 总则和指南》.pdf 26

IEC 62148-1-2002 Fibre optic active components and devices - Package and interface standards - Part 1 General and guidance《光纤有源元件及器件.包装和接口标准.第1部分 总则和指南》.pdfIEC 62148-1-2002 Fibre optic active components and devices - Package and interface standards - Part 1 General and guidance《光纤有源元件及器件.包装和接口标准.第1部分 总则和指南》.pdf

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IEC 62146-1-2013 Grading capacitors for high-voltage alternating current circuit-breakers - Part 1 General《高压交流断路器用均压电容器 第1部分 总则》.pdf 76

IEC 62146-1-2013 Grading capacitors for high-voltage alternating current circuit-breakers - Part 1 General《高压交流断路器用均压电容器 第1部分 总则》.pdfIEC 62146-1-2013 Grading capacitors for high-voltage alternating current circuit-breakers - Part 1 General《高压交流断路器用均压电容器 第1部分 总则》.pdf

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