UIC OR 572-2008 Wagons composed of permanently-coupled units (multiple wagons) and articulated wagons《永久耦合部件组装的铁路货车(多用途铁路货车)和铰接铁路货车》.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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ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

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