SPIRO

[TUBES, TUBING, DUCTS, DUCTING ALL MADE OUT OF METAL, AND PARTS THEREOF; MANUAL VALVES MADE OUT OF METAL ]

MACHINES FOR USE IN THE MANUFACTURE OF HELICALLY FORMED METAL TUBING, DUCTING, [ FLOW CONTROL VALVES AND MIXING VALVES, AND PARTS THEREOF; VALVES FOR USE AS PARTS OF MACHINES ]

[TUBES, TUBING, DUCTS, DUCTING, [ FLOW CONTROL VALVES, AND GAS MIXING VALVES ] ALL FOR USE IN AIR-CONDITIONING, WARM-AIR HEATING, AND EXHAUST SYSTEMS; AND PARTS THEREOF]