ETSI ETS 300 790-1997 Universal Personal Telecommunication (UPT) Security Architecture for UPT Phase 2 Specification《全球个人通信(UPT) UPT第2阶段的安全结构 规范》.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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