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IEC 60695-1-12-2015 Fire hazard testing - Part 1-12 Guidance for assessing the fire hazard of electrotechnical products - Fire safety engineering《着火危险试验 第1-12部分 电工技术产品着火危险评估指南 消防安全工程》.pdf 70

IEC 60695-1-12-2015 Fire hazard testing - Part 1-12 Guidance for assessing the fire hazard of electrotechnical products - Fire safety engineering《着火危险试验 第1-12部分 电工技术产品着火危险评估指南 消防安全工程》.pdfIEC 60695-1-12-2015 Fire hazard testing - Part 1-12 Guidance for assessing the fire hazard of electrotechnical products - Fire safety engineering《着火危险试验 第1-12部分 电工技术产品着火危险评估指南 消防安全工程》.pdf

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IEC 60695-1-11-2014 Fire hazard testing - Part 1-11 Guidance for assessing the fire hazard of electrotechnical products - Fire hazard assessment《火灾隐患试验.第1-10部分 电工产品的火灾隐患评估指南.火灾隐患评估》.pdf 98

IEC 60695-1-11-2014 Fire hazard testing - Part 1-11 Guidance for assessing the fire hazard of electrotechnical products - Fire hazard assessment《火灾隐患试验.第1-10部分 电工产品的火灾隐患评估指南.火灾隐患评估》.pdfIEC 60695-1-11-2014 Fire hazard testing - Part 1-11 Guidance for assessing the fire hazard of electrotechnical products - Fire hazard assessment《火灾隐患试验.第1-10部分 电工产品的火灾隐患评估指南.火灾隐患评估》.pdf

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IEC 60695-1-10-2016 Fire hazard testing - Part 1-10 Guidance for assessing the fire hazard of electrotechnical products - General guidelines《火灾隐患试验.第1-10部分 电工产品学的火灾隐患评估指南.一般原则》.pdf 80

IEC 60695-1-10-2016 Fire hazard testing - Part 1-10 Guidance for assessing the fire hazard of electrotechnical products - General guidelines《火灾隐患试验.第1-10部分 电工产品学的火灾隐患评估指南.一般原则》.pdfIEC 60695-1-10-2016 Fire hazard testing - Part 1-10 Guidance for assessing the fire hazard of electrotechnical products - General guidelines《火灾隐患试验.第1-10部分 电工产品学的火灾隐患评估指南.一般原则》.pdf

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IEC 60692-1999 Nuclear instrumentation - Density gauges utilizing ionizing radiation - Definitions and test methods《核仪器 利用电离辐射的密度计 定义和试验方法》.pdf 44

IEC 60692-1999 Nuclear instrumentation - Density gauges utilizing ionizing radiation - Definitions and test methods《核仪器 利用电离辐射的密度计 定义和试验方法》.pdfIEC 60692-1999 Nuclear instrumentation - Density gauges utilizing ionizing radiation - Definitions and test methods《核仪器 利用电离辐射的密度计 定义和试验方法》.pdf

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IEC 60444-6-2013 Measurement of quartz crystal unit parameters - Part 6 Measurement of drive level dependence (DLD)《石英晶体元件参数的测量 第6部分 激励电平相关性 (DLD) 的测量》.pdf 42

IEC 60444-6-2013 Measurement of quartz crystal unit parameters - Part 6 Measurement of drive level dependence (DLD)《石英晶体元件参数的测量 第6部分 激励电平相关性 (DLD) 的测量》.pdfIEC 60444-6-2013 Measurement of quartz crystal unit parameters - Part 6 Measurement of drive level dependence (DLD)《石英晶体元件参数的测量 第6部分 激励电平相关性 (DLD) 的测量》.pdf

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IEC 60444-4-1988 Measurement of quartz crystal unit parameters by zero phase technique in a π-network part 4 method for the measurement of the load resonance frequency FL load reso.pdf 29

IEC 60444-4-1988 Measurement of quartz crystal unit parameters by zero phase technique in a π-network part 4 method for the measurement of the load resonance frequency FL load reso.pdfIEC 60444-4-1988 Measurement of quartz crystal unit parameters by zero phase technique in a π-network part 4 method for the measurement of the load resonance frequency FL load reso.pdf

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IEC 60444-11-2010 Measurement of Quartz crystal unit parameters - Part 11 Standard method for the determination of the load resonance frequency fL and the effective load capacitanc.pdf 32

IEC 60444-11-2010 Measurement of Quartz crystal unit parameters - Part 11 Standard method for the determination of the load resonance frequency fL and the effective load capacitanc.pdfIEC 60444-11-2010 Measurement of Quartz crystal unit parameters - Part 11 Standard method for the determination of the load resonance frequency fL and the effective load capacitanc.pdf

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IEC 60444-1-1986 Measurement of quartz crystal unit parameters by zero phase technique in a π-network part 1 basic method for the measurement of resonance frequency and resonance r.pdf 46

IEC 60444-1-1986 Measurement of quartz crystal unit parameters by zero phase technique in a π-network part 1 basic method for the measurement of resonance frequency and resonance r.pdfIEC 60444-1-1986 Measurement of quartz crystal unit parameters by zero phase technique in a π-network part 1 basic method for the measurement of resonance frequency and resonance r.pdf

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IEC 60444-1 AMD 1-1999 Measurement of quartz crystal unit parameters by zero phase technique in a π-network - Part 1 Basic method for the measurement of resonance frequency and res.pdf 16

IEC 60444-1 AMD 1-1999 Measurement of quartz crystal unit parameters by zero phase technique in a π-network - Part 1 Basic method for the measurement of resonance frequency and res.pdfIEC 60444-1 AMD 1-1999 Measurement of quartz crystal unit parameters by zero phase technique in a π-network - Part 1 Basic method for the measurement of resonance frequency and res.pdf

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IEC 60243-2-2013 Electric strength of insulating materials - Test methods - Part 2 Additional requirements for tests using direct voltage《绝缘材料的耐电强度 试验方法 第2部分 采用直流电压进行试验的补充要求》.pdf 22

IEC 60243-2-2013 Electric strength of insulating materials - Test methods - Part 2 Additional requirements for tests using direct voltage《绝缘材料的耐电强度 试验方法 第2部分 采用直流电压进行试验的补充要求》.pdfIEC 60243-2-2013 Electric strength of insulating materials - Test methods - Part 2 Additional requirements for tests using direct voltage《绝缘材料的耐电强度 试验方法 第2部分 采用直流电压进行试验的补充要求》.pdf

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