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经营范围
发明名称
Process of separating metals
摘要
申请公布号
US1869213(A)
申请公布日期
1932.07.26
申请号
US19260100044
申请日期
1926.04.06
申请人
AMERICAN SMELTING AND REFINING COMPANY
发明人
TEATS ROSCOE
分类号
C22B3/00
主分类号
C22B3/00
代理机构
代理人
主权项
地址
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