26 ACCELEROMETERS; AIRCRAFT NAVIGATIONAL FLIGHT CONTROL AND STABILIZATION INSTRUMENTS AND SYSTEMS; ENGINE OPERATION ANALYZERS; AUTOMATIC STEERING SYSTEMS FOR MARINE CRAFT; COMPASSES, MICROWAVE DELAY LINES; SUBMARINE DEPTH CONTROLLER AND SENSORS; RADAR APPARATUS; FREQUENCY ANALYZERS; NAVIGATIONAL CONSOLES FOR AIRCRAFT AND SHIPS, AUTOMATIC STABILIZATION SYSTEMS FOR CRAFT; SONAR SYSTEMS CONSISTING OF SOUND WAVE TRANSMITTERS AND RECEIVERS; ELECTRICAL TESTERS FOR CHECKING THE OPERABILITY OF ELECTRICAL APPARATUS, SYSTEMS AND COMPONENTS THEREOF; FLUIDIC COMPUTER SYSTEMS AND COMPONENTS; MAGNETIC FIELD SENSITIVE FLUX VALVE AND COMPENSATOR FOR DETERMINING DIRECTIONS AND STRENGTH OF MAGNETIC FIELDS; GYROSCOPES; IMPEDANCE METERS; LASERS; LORAN NAVIGATION INSTRUMENTS AND SYSTEMS; CONTROL COMPUTER FOR OPERATING TOOLS; MAGNETIC FIELD DETECTION SYSTEMS AND ANALYZERS; METERS: WATT, IMPEDANCE, WAVE, FREQUENCY AND STANDING WAVE RATIO; RADAR SYSTEMS; INERTIAL NAVIGATION SYSTEMS FOR AIR AND MARINE CRAFT; UNDERWATER SOUND VELOCIMETERS; VIBRATION FREQUENCY ANALYZER; AND COMPONENT PARTS FOR THE ABOVE MENTIONED GOODS