U.S. federal trademark · Serial No. 78834915 · Reg. No. 3399887
Rare earth metals; lanthanum; cerium; praseodymium; neodymium; samarium; europium; chemicals for use in industry, science and photography, namely gadolinium, lutecium; yttrium; dysprosium; terbium; holmium; erbium; thulium; ytterbium; alloys of rare earth metals
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