ITU-R FINAL ACTS SPANISH-1986 Final Acts of the Regional Administrative Conference of the Members of the Union in the European Broadcasting Area to revise certain parts of the Stoc.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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