U.S. federal trademark · Serial No. 71548072 · Reg. No. 0529007
FLUID FLOW CONTROLLING DEVICES-NAMELY, MANUALLY AND MECHANICALLY OPERATED VALVES ESPECIALLY DESIGNED FOR LABORATORY AND SCIENTIFIC USES, AUTOMATIC PRESSURE REGULATING VALVES AUTOMATIC PRESSURE REGULATING VALVES ESPECIALLY DESIGNED FOR LABORATORY AND SCIENTIFIC USES AND APPARATUS FOR DETERMINING THE ACCURACY OF FLUID PRESSURE INDICATING DEVICES
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