73180784
Aug 3, 1978
Oct 9, 1979
AIR HANDLING, HEATING, COOLING AND VENTILATING SYSTEMS, COMPRISING HEATING,COOLING, FILTERING, DEHUMIDIFYING, WASHING, ATTENUATING, DELIVERING, AIR FLOW TERMINAL,BY-PASS AND DIFFUSER UNITS; INSULATED AND THERMACOUSTIC AIR HANDLING SYSTEM PANELS; AND AIR FLOW SOUND ATTENUATORS AND TRAPS
Environmental Control Apparatus