NF Z84-034-1999 Radio equipment and systems - Technical regulation for approval of terminal equipment to be used on independant radio networks conforming to TETRA European standard.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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