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{{PatentInfo |Inventor=John A. Holland |Assignee=American Iridium Company |Country=US |ApplicationNum=285895 |ApplicationDate=1882-10-03 |PatentNum=285895 |PatentDate=1883-10-02 |PriorityDate=1882-10-03 |Titolo=Alloying iridium |Marca=Holland |Descrizi...