supply, installation, implementation and associated maintenance of audio-visual installations of videoconference rooms, meetings and training of the CNMSS
supply, installation, implementation and associated maintenance of the audio-visual equipment of the Board of Directors room of the PARIS antennasupply, installation, implementation and associated maintenance of the audio-visual equipment of the Board of Directors room of the PARIS antenna
supply, installation, implementation and associated maintenance of audio-visual equipment for videoconferencing rooms, meeting and training of the CNMSSsupply, installation, implementation and associated maintenance of audio-visual equipment for videoconferencing rooms, meeting and training of the CNMSS