U.S. federal trademark · Serial No. 78347650 · Reg. No. 3270725
GAS SENSORS AND DETECTORS FOR DETECTING THE PRESENCE OF TOXIC GASES; GAS SENSORS AND DETECTORS FOR MEASURING THE CONCENTRATION OF TOXIC GASES; PARTS AND FITTINGS FOR THE AFORESAID GOODS, NAMELY, REPLACEABLE ELECTROCHEMICAL SENSOR CARTRIDGES
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