U.S. federal trademark · Serial No. 79290558 · Reg. No. 6208197
Control machines and instruments, namely, technical measuring instruments for measuring the temperature, pressure, quantity and concentration of gas, mass flow controllers and flow regulators in the nature of flow switches for monitoring and controlling the flow of gases; automatic flow rate control machines and instruments for gas or liquid; gas flow rate control apparatus; automatic flow rate control machines and instruments; automatic pressure control machines and instruments; automatic pressure control apparatus
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