METU

MACHINES FOR MANUFACTURING COMPONENT PARTS FOR AIR CONDITIONING AND VENTILATING AIR DUCT SYSTEMS COMPRISING CONNECTING FLANGES, CORNER ELBOWS(ANGLE PIECES), CLAWS, ASSEMBLY CLIPS (CLAMPS), HOLLOW PROFILES (SECTION IRON, STRUCTURAL ROLLED STEEL MEMBERS) FOR USE IN RESIDENTIAL, COMMERCIAL AND INDUSTRIAL BUILDINGS; PLATE WORKING MACHINES AND MACHINES FOR PUNCHING, CUTTING, FOLDING AND SEPARATING METAL

AIR DUCT SYSTEMS COMPRISING CONNECTING FLANGES, CORNER ELBOWS (ANGLE PIECES), CLAWS, ASSEMBLY CLIPS (CLAMPS), HOLLOW PROFILES (SECTION IRON, STRUCTURAL ROLLED STEEL MEMBERS) FOR USE IN RESIDENTIAL, COMMERCIAL AND INDUSTRIAL BUILDINGS