NF C32-321 A1-1993 Insulated cables and flexible cords for installations - Cross-linked polyethylene insulated cables covered with a polyvinyl chloride sheath《设备用绝缘电缆和软线 聚氯乙烯护套交联聚氯.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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