U.S. federal trademark · Serial No. 73075087 · Reg. No. 1049921
TUBE CONNECTORS-NAMELY, RETURN BEND FITTINGS, TERMINAL FITTINGS, CORNER FITTINGS, T FITTINGS, ELBOW FITTINGS, OF STEEL DESIGNED FOR HIGH PRESSURES AND TEMPERATURES AND ADAPTED FOR PETROLEUM REFINERIES AND CHEMICAL REACTORS
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