U.S. federal trademark · Serial No. 77340738 · Reg. No. 3569051
Silicon; tungstic acid; ammonium tungstate; calcium tungstate; zinc tungstate; molybdic acid; ammonium molybdate; sodium molybdate; ammonium dimolybdate; ammonium tetramolybdate; ammoinum heptamolybdate; copper carbonate; copper sulphate; chemicals for industrial purposes; chemicals for use in industry; chemicals for use in industry and science; bismuth
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