PLG

Flow regulators for commercial use; Safety valves for flow shutoff in well construction; Tire pressure gauges; Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines; Fitted noise reduction holed plates for control valves used in regulating the flow of gases and liquids; Fitted noise reduction holed plates for control valves used in regulating the flow of gases and liquids; Oil well Christmas trees in the nature of an assembly of valves, spools, and fittings that control the flow of oil or gas out of a well; Thermally activated manually resettable fire safety valves; Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines