MARINE DEVELOPMENT

MARINE AC/DC CONVERTERS; ELECTRONIC CONTROLS FOR HEATING, VENTILATING AND AIR CONDITIONING SYSTEMS; PROGRAMMABLE ELECTRONIC CONTROL SYSTEMS FOR AIR CONDITIONING, HEATING AND VENTILATING SYSTEMS, COMPRISED OF DISPLAY/CONTROL PANELS AND AT LEAST ONE CONTROL COMPUTER AND LOGIC MODULES THEREFOR; BATTERY CHARGERS, AND MODEMS

AIR CONDITIONERS; REFRIGERATORS AND FREEZERS