Gas supply systems and units consisting of gas regulators, gas regulating switching devices, and metal gas storage tanks or metal gas cylinders sold as a unit; [ point of use gas distribution panels for pressure regulation; ] structural parts of gas supply systems, namely, gas supply panels consisting of pressure regulators, pressure gauges, pipes and valves; gas supply systems consisting of gas regulating valves for pressure reducing, pressure control, pressure regulating, safety, over press...

CARBON DIOXIDE COOLING SYSTEMS FOR USE IN SURFACE COATING AND THERMAL SPRAYING CONSISTING PRIMARILY OF A CARBON DIOXIDE HIGH PRESSURE TANK, WITHDRAWAL VALVES, SAFETY VALVES, A PRESSURE GAUGE, A HIGH PRESSURE HOSE AND SOLENOID VALVE WITH A FINE FILTER, AN EXPANSION NOZZLE, NOZZLE HOLDERS AND AN ELECTRONIC CONTROL PANEL