Other

Compounds of europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium or yttrium, inorganic or organic
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Compounds of lanthanum, praseodymium, neodymium or samarium, inorganic or organic
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Compounds of mixtures of rareearth metals, yttrium and scandium, inorganic or organic
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Scandium compounds, inorganic or organic
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