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https://hanzama.x0.to/2020/07/28/rapid-recovery-of-communication-services-in-times-of-disaster-wireless-relay-system-for-wired-and-wired-drones-construction-and-communications-newspaper/
【災害時に通信サービスを迅速復旧】「有線給電ドローン無線中継システム」実証実験成功(建設通信新聞)