SPIRO

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VENTILATING TUBES, PIPING, DUCTS, AND CONDUITS, ALL OF METAL, AND VENTILATING MANUALLY-OPERATED MIXING AND OUTFLOW CONTROL VALVES MADE OF BASE METAL, ALL FOR USE IN VENTILATION, AIR-CONDITIONING, WARM-AIR HEATING AND EXHAUST SYSTEMS AND IN STRUCTURAL PARTS AND FITTINGS THEREFOR, AND NONE OF THESE GOODS BEING EQUIPMENT FOR TREATING STEAM OR USED WITH SUCH EQUIPMENT OR BEING EQUIPMENT FOR CONTROLLING FLUIDS OR USED WITH SUCH EQUIPMENT

TUBES, PIPING, DUCTS, CONDUITS, MIXING AND OUTFLOW CONTROL VALVES, ALL AS COMPONENT PARTS OF VENTILATION, AIR-CONDITIONING, HOT-AIR HEATING AND EVACUATION INSTALLATIONS, NAMELY, VENTILATION, AIR-CONDITIONING, WARM-AIR HEATING, AND EXHAUST SYSTEMS COMPOSED PRIMARILY OF TUBES, PIPING, DUCTS, MIXING AND OUTFLOW CONTROL VALVES; COMPONENT PARTS OF VENTILATION, AIR-CONDITIONING, HOT-AIR HEATING AND EVACUATION INSTALLATIONS, NAMELY, TUBES, PIPING, DUCTS, CONDUITS AND MIXING AND OUTFLOW CONTROL VALVES ALL SPECIFICALLY DESIGNED FOR USE AS INTEGRATED PARTS OF AIR-CONDITIONING, AIR-COOLING, HOT-AIR SPACE HEATING AND VENTILATION APPARATUS AND INSTRUMENTS; NONE OF THESE GOODS BEING EQUIPMENT FOR TREATING STEAM OR USED WITH SUCH EQUIPMENT NOR BEING EQUIPMENT, AND BEING EQUIPMENT FOR CONTROLLING FLUIDS OR USED WITH SUCH EQUIPMENT