HEATING, COOLING, AIR-CONDITIONING, POWER SUPPLY AND HEAT SUPPLY SYSTEMS, AND COMBINATIONS THEREOF COUPLING THE GENERATION OF POWER/HEAT AND POWER/HEAT/COOLING, NAMELY ABSORPTION REFRIGERATORS, AIR CONDITIONERS, POWER STATIONS FOR GENERATING ELECTRICITY AND HEAT COMPRISING MOTORS, CURRENT GENERATORS/CURRENT UNITS, PHOTO-VOLTAIC SYSTEMS, SOLAR POWER STATIONS, HEAT SUPPLY DEVICES, BLOCK-TYPE THERMAL POWER STATIONS, AND SOLAR COLLECTORS
Environmental Control ApparatusREPAIR, MAINTENANCE AND OPERATION OF HEATING, COOLING, AIR-CONDITIONING, POWER SUPPLY AND HEAT SUPPLY SYSTEMS
Building Construction and RepairCUSTOM MANUFACTURE OF HEATING, COOLING, AIR-CONDITIONING, POWER SUPPLY AND HEAT SUPPLY SYSTEMS
Treatment of MaterialsDESIGN OF HEATING COOLING, AIR-CONDITIONING, POWER-SUPPLY AND HEAT SUPPLY SYSTEMS
Computer and Scientific