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ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf 24

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdfITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

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ITU-R RAPPORT BT 958-1 FRENCH-1986 Possibilities for incorporating the sound information in the video signal in terrestrial television《在地面电视中的视频信号中的声音信息的可能性》.pdf 3

ITU-R RAPPORT BT 958-1 FRENCH-1986 Possibilities for incorporating the sound information in the video signal in terrestrial television《在地面电视中的视频信号中的声音信息的可能性》.pdfITU-R RAPPORT BT 958-1 FRENCH-1986 Possibilities for incorporating the sound information in the video signal in terrestrial television《在地面电视中的视频信号中的声音信息的可能性》.pdf

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ITU-R RAPPORT BT 804 FRENCH-1978 DEFINITIONS OF PARAMETERS FOR AUTOMATIC MEASUREMENT OF TELEVISION INSERTION TEST SIGNALS《对于电视插入测试信号的自动测量参数的定义》.pdf 1

ITU-R RAPPORT BT 804 FRENCH-1978 DEFINITIONS OF PARAMETERS FOR AUTOMATIC MEASUREMENT OF TELEVISION INSERTION TEST SIGNALS《对于电视插入测试信号的自动测量参数的定义》.pdfITU-R RAPPORT BT 804 FRENCH-1978 DEFINITIONS OF PARAMETERS FOR AUTOMATIC MEASUREMENT OF TELEVISION INSERTION TEST SIGNALS《对于电视插入测试信号的自动测量参数的定义》.pdf

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ITU-R RAPPORT BT 482-1 FRENCH-1986 RECOMMENDED CHARACTERISTICS FOR COLLECTIVE AND INDIVIDUAL ANTENNA SYSTEMS FOR DOMESTIC RECEPTION OF SIGNALS FROM TERRESTRIAL .pdf 4

ITU-R RAPPORT BT 482-1 FRENCH-1986 RECOMMENDED CHARACTERISTICS FOR COLLECTIVE AND INDIVIDUAL ANTENNA SYSTEMS FOR DOMESTIC RECEPTION OF SIGNALS FROM TERRESTRIAL .pdfITU-R RAPPORT BT 482-1 FRENCH-1986 RECOMMENDED CHARACTERISTICS FOR COLLECTIVE AND INDIVIDUAL ANTENNA SYSTEMS FOR DOMESTIC RECEPTION OF SIGNALS FROM TERRESTRIAL .pdf

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IEC 61535 AMD 1-2012 Installation Couplers intended for permanent connection in fixed installations《用于固定装置的固定连接的耦合器装置》.pdf 10

IEC 61535 AMD 1-2012 Installation Couplers intended for permanent connection in fixed installations《用于固定装置的固定连接的耦合器装置》.pdfIEC 61535 AMD 1-2012 Installation Couplers intended for permanent connection in fixed installations《用于固定装置的固定连接的耦合器装置》.pdf

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IEC 61443 AMD 1-2008 Short-circuit temperature limits of electric cables with rated voltages above 30 kV (Um = 36 kV) Amendment 1《额定电压大于30kV(Um=36kV)电缆的短路温度限值 修.pdf 10

IEC 61443 AMD 1-2008 Short-circuit temperature limits of electric cables with rated voltages above 30 kV (Um = 36 kV) Amendment 1《额定电压大于30kV(Um=36kV)电缆的短路温度限值 修.pdfIEC 61443 AMD 1-2008 Short-circuit temperature limits of electric cables with rated voltages above 30 kV (Um = 36 kV) Amendment 1《额定电压大于30kV(Um=36kV)电缆的短路温度限值 修.pdf

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IEC 61290-3-2008 Optical amplifiers - Test methods - Part 3 Noise figure parameters《光学放大器 试验方法 第3部分 噪声指数参量》.pdf 26

IEC 61290-3-2008 Optical amplifiers - Test methods - Part 3 Noise figure parameters《光学放大器 试验方法 第3部分 噪声指数参量》.pdfIEC 61290-3-2008 Optical amplifiers - Test methods - Part 3 Noise figure parameters《光学放大器 试验方法 第3部分 噪声指数参量》.pdf

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IEC 61290-11-1-2008 Optical amplifier - Test methods - Part.11-1 Polarization mode dispersion parameter - Jones matrix eigenanalysis (JME)《光学放大器 试验方法 第11-1部分 偏振.pdf 30

IEC 61290-11-1-2008 Optical amplifier - Test methods - Part.11-1 Polarization mode dispersion parameter - Jones matrix eigenanalysis (JME)《光学放大器 试验方法 第11-1部分 偏振.pdfIEC 61290-11-1-2008 Optical amplifier - Test methods - Part.11-1 Polarization mode dispersion parameter - Jones matrix eigenanalysis (JME)《光学放大器 试验方法 第11-1部分 偏振.pdf

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IEC 61231 AMD 1-2013 International lamp coding system (ILCOS)《国际灯具编码系统 (ILCOS)》.pdf 28

IEC 61231 AMD 1-2013 International lamp coding system (ILCOS)《国际灯具编码系统 (ILCOS)》.pdfIEC 61231 AMD 1-2013 International lamp coding system (ILCOS)《国际灯具编码系统 (ILCOS)》.pdf

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LY T 1558-2017 《仁用杏优质丰产栽培技术规程》.pdf 12

LY T 1558-2017 《仁用杏优质丰产栽培技术规程》.pdfLY T 1558-2017 《仁用杏优质丰产栽培技术规程》.pdf

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