34 HEAT TRANSFER APPARATUS COMPRISING COIL, TUBE, AND PLATE-FIN HEAT EXCHANGERS FOR LIQUIDS AND GASES; GAS FIRED STEAM GENERATING PLANTS; STEAM BOILERS; STEAM CONDENSERS, ENGINE EXHAUST HEAT RECUPERATORS AND REGENERATORS; VENTILATING APPARATUS COMPRISING FANS AND BLOWERS AND CONTROLS THEREFOR; AIR CONDITIONERS AND CONTROLS THEREFOR; SPACE CAPSULE AND SPACE SUIT PRESSURIZATION AND VENTILATION SYSTEMS AND EQUIPMENT AND COMPONENT PARTS THEREOF; CARBON DIOXIDE AND CONTAMINANT REMOVAL EQUIPMENT FOR AIR AND WATER PURIFICATION; ODOR AND WATER ABSORPTION EQUIPMENT FOR VENTILATING AIR; THERMOELECTRIC HEAT PUMP SYSTEMS AND COMPONENTS; THERMOELECTRIC SYSTEMS AND COMPONENTS; TOTAL ENERGY SYSTEMS AND COMPONENTS FOR SPACE HEATING, LIGHTING AND VENTILATING; AND PORTABLE AND TRANSPORTABLE SYSTEMS AND COMPONENTS FOR PROVIDING VENTILATION AND HEATING OR COOLING OF COMPARTMENTS OF GROUNDED AIRCRAFT
Trademark: 72313926
