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IEC 60335-2-90-2015 Household and similar electrical appliances - Safety - Part 2-90 Particular requirements for commercial microwave ovens《家用和类似用途电器 安全性 第2-90部分 商用微波炉的特殊要求》.pdf 62

IEC 60335-2-90-2015 Household and similar electrical appliances - Safety - Part 2-90 Particular requirements for commercial microwave ovens《家用和类似用途电器 安全性 第2-90部分 商用微波炉的特殊要求》.pdfIEC 60335-2-90-2015 Household and similar electrical appliances - Safety - Part 2-90 Particular requirements for commercial microwave ovens《家用和类似用途电器 安全性 第2-90部分 商用微波炉的特殊要求》.pdf

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IEC 60335-2-89-2010 Household and similar electrical appliances - Safety - Part 2-89 Particular requirements for commercial refrigerating appliances with an incorporated or remote .pdf 90

IEC 60335-2-89-2010 Household and similar electrical appliances - Safety - Part 2-89 Particular requirements for commercial refrigerating appliances with an incorporated or remote .pdfIEC 60335-2-89-2010 Household and similar electrical appliances - Safety - Part 2-89 Particular requirements for commercial refrigerating appliances with an incorporated or remote .pdf

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IEC 60151-25-1971 Measurements of the electrical properties of electronic tubes Part 25 Methods of measurement of Geiger-Müller counter tubs《电子管电性能的测量 第25部分 盖格-弥勒计数管的测量方法》.pdf 38

IEC 60151-25-1971 Measurements of the electrical properties of electronic tubes Part 25 Methods of measurement of Geiger-Müller counter tubs《电子管电性能的测量 第25部分 盖格-弥勒计数管的测量方法》.pdfIEC 60151-25-1971 Measurements of the electrical properties of electronic tubes Part 25 Methods of measurement of Geiger-Müller counter tubs《电子管电性能的测量 第25部分 盖格-弥勒计数管的测量方法》.pdf

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IEC 60151-24-1971 Measurements of the electrical properties of electronic tubes Part 24 Methods of measurement of cathode-ray charge-storage tubes《电子管电性能的测量 第24部分 阴极射线电荷存储管的测量方法》.pdf 64

IEC 60151-24-1971 Measurements of the electrical properties of electronic tubes Part 24 Methods of measurement of cathode-ray charge-storage tubes《电子管电性能的测量 第24部分 阴极射线电荷存储管的测量方法》.pdfIEC 60151-24-1971 Measurements of the electrical properties of electronic tubes Part 24 Methods of measurement of cathode-ray charge-storage tubes《电子管电性能的测量 第24部分 阴极射线电荷存储管的测量方法》.pdf

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IEC 60151-23-1970 Measurements of the electrical properties of electronic tubes Part 23 Methods of measurement of vacuum pulse modulator tubes and valves《电子管电性能的测量 第23部分 真空脉冲调制管的测量方法》.pdf 28

IEC 60151-23-1970 Measurements of the electrical properties of electronic tubes Part 23 Methods of measurement of vacuum pulse modulator tubes and valves《电子管电性能的测量 第23部分 真空脉冲调制管的测量方法》.pdfIEC 60151-23-1970 Measurements of the electrical properties of electronic tubes Part 23 Methods of measurement of vacuum pulse modulator tubes and valves《电子管电性能的测量 第23部分 真空脉冲调制管的测量方法》.pdf

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IEC 60151-22-1970 Measurements of the electrical properties of electronic tubes Part 22 Methods of measurement for cold cathode counting and indicator tubes《电子管电性能的测量 第22部分 冷阴极计数管和指示管的测量方法》.pdf 32

IEC 60151-22-1970 Measurements of the electrical properties of electronic tubes Part 22 Methods of measurement for cold cathode counting and indicator tubes《电子管电性能的测量 第22部分 冷阴极计数管和指示管的测量方法》.pdfIEC 60151-22-1970 Measurements of the electrical properties of electronic tubes Part 22 Methods of measurement for cold cathode counting and indicator tubes《电子管电性能的测量 第22部分 冷阴极计数管和指示管的测量方法》.pdf

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IEC 60151-21-1969 Measurements of the electrical properties of electronic tubes Part 21 Methods of measurement of cross-modulation in electronic tubes and valves《电子管电性能的测量 第21部分 电子管交叉调制的测量方法》.pdf 20

IEC 60151-21-1969 Measurements of the electrical properties of electronic tubes Part 21 Methods of measurement of cross-modulation in electronic tubes and valves《电子管电性能的测量 第21部分 电子管交叉调制的测量方法》.pdfIEC 60151-21-1969 Measurements of the electrical properties of electronic tubes Part 21 Methods of measurement of cross-modulation in electronic tubes and valves《电子管电性能的测量 第21部分 电子管交叉调制的测量方法》.pdf

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IEC 60050-444-2002 International Electrotechnical Vocabulary - Part 444 Elementary relays《国际电工词汇.第444部分 基本继电器》.pdf 98

IEC 60050-444-2002 International Electrotechnical Vocabulary - Part 444 Elementary relays《国际电工词汇.第444部分 基本继电器》.pdfIEC 60050-444-2002 International Electrotechnical Vocabulary - Part 444 Elementary relays《国际电工词汇.第444部分 基本继电器》.pdf

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IEC 60050-442-1998 International Electrotechnical Vocabulary - Part 442 Electrical accessories《国际电工词汇 第442部分 电气附件》.pdf 58

IEC 60050-442-1998 International Electrotechnical Vocabulary - Part 442 Electrical accessories《国际电工词汇 第442部分 电气附件》.pdfIEC 60050-442-1998 International Electrotechnical Vocabulary - Part 442 Electrical accessories《国际电工词汇 第442部分 电气附件》.pdf

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IEC 60050-441-1984 International Electrotechnical Vocabulary Part 441 Chapter 441 Switchgear controlgear and fuses《国际电工词汇 第441部分 开关设备、控制设备和熔断器》.pdf 118

IEC 60050-441-1984 International Electrotechnical Vocabulary Part 441 Chapter 441 Switchgear controlgear and fuses《国际电工词汇 第441部分 开关设备、控制设备和熔断器》.pdfIEC 60050-441-1984 International Electrotechnical Vocabulary Part 441 Chapter 441 Switchgear controlgear and fuses《国际电工词汇 第441部分 开关设备、控制设备和熔断器》.pdf

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