providing physician radiology services to hospitals and medical facilities

Infra-Red Transmission Apparatuses Particularly Infra-Red Emitters, Infra-Red Receivers, Infra-Red Optical Heads, Infra-Red Amplifiers, Infra-Red Processing Units, Infra-Red Test Equipment, All These Apparatuses Being for Transmitting Data Between an Aircraft Carrier and the Airplanes, Particularly Before Take-Off