Naval signalling apparatus, namely underwater sonars and parts thereof; radars, namely, radar apparatus; sonar and sonar equipment for anti-submarine warfare, for autonomous underwater vehicles for military surveillance, and for autonomous surface vessels for military surveillance; sonars; sonar equipment and parts thereof, namely, underwater sonar navigational apparatus and underwater sonar surveying apparatus

SECURITY DEVICES AND SYSTEMS COMPRISING RADIO TRANSMITTERS AND RADIO RECEIVERS USED FOR ELECTRONIC MONITORING FOR PROTECTION OF PREMISES, PEOPLE AND POSSESSIONS