formerly used for the chemical elements americium 鎇|镅[mei2] and osmium 鋨|锇[e2]
formerly used for the chemical elements americium 鎇|镅[mei2] and osmium 鋨|锇[e2]
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formerly used for the chemical elements americium 鎇|镅[mei2] and osmium 鋨|锇[e2]
formerly used for the chemical elements americium 鎇|镅[mei2] and osmium 鋨|锇[e2]