IC 009. US 021 023 026 036 038. G & S: Oil and gas equipment and controls, namely, flow regulators and pressure regulators for controlling fluid flow rates, fluid pressure, and fluid temperatures in fluid streams of the type used in the production of oil and gas; oil and gas equipment and controls, namely, valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines in fluid streams of the type used in the production of oil and gas
IC 011. US 013 021 023 031 034. G & S: Oil and gas equipment, namely, pressure regulators of the type used to regulate fluid flow rates, fluid pressures and fluid temperatures in fluid streams used in oil and gas installations
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