COOLING DRYING AND VENTILATION DEVICES AERODYNAMIC MACHINES AND AUTOMATIC MACHINES NAMELY AIR CONDITIONING PLANTS EXCLUSIVELY FOR INDUSTRIAL OR COMMERICIAL BUILDINGS COOLING SYSTEMS GATE HEATINGS FUME DISPERSION EQUIPMENTS, EXHAUST INSTALLATIONS, DRYING PLANTS, PNEU MATIC CONVEYOR & FILTERING SYSTEMS, CONSISTING OF VENTILATORS, CONNECT ING TUBES, FILTER CASES AND FILTER ELEMENTS OUT OF CLOTH, SYNTHETIC FIBERS OR METAL LAMINE AS WELLAS MICROPROCESSOR INSTALLATIONS FOR THE CONTROL OF THESE DEVICES