NBN-EN 55015-1994 7500 Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment《电气照明和类似设备无线电干扰特性的限值和测量方法》.pdf

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ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

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