ETSI ETR 032-1991 Network Aspects (NA) a Standardisations Programme for Universal Personal Telecommunications (UPT)《网络方面(NA) 全球个人通信(UPT)的标准化程序》.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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