73084401
Apr 19, 1976
Aug 29, 1978
AIR VENTILATING AND WASHING SYSTEMS-NAMELY, HOODS, MAKE-UP AIR AND EXHAUST EQUIPMENT, COMPRISING EXHAUST AND SUPPLY BLOWERS AND HOUSINGS, SOLD AS A UNIT; EXHAUST BLOWER CLEANERS; AND GREASE REMOVAL AND WASHING EQUIPMENT FOR RESTAURANT COOKING AREAS, COMPRISING HOT WATER HEATERS, PUMPS, VALVES, CONTROLS, AND SPRAY NOZZLES, SOLD AS A UNIT
Environmental Control Apparatus