U.S. federal trademark · Serial No. 77011640 · Reg. No. 5031041
Sol mixtures of magnesium fluoride and sodium fluoride, for use in the manufacture of hard coatings, paints, polymer compounds and resins; sol mixtures of magnesium fluoride, sodium fluoride and silicon dioxides, for use in the manufacture of hard coatings, paints, polymer compounds and resins
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