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发明名称
Process for refining lead which contains bismuth
摘要
申请公布号
US2204651(A)
申请公布日期
1940.06.18
申请号
US19380247660
申请日期
1938.12.24
申请人
AMERICAN SMELTING AND REFINING COMPANY
发明人
BETTERTON JESSE O.;LEBEDEFF YURII E.
分类号
C22B13/06
主分类号
C22B13/06
代理机构
代理人
主权项
地址
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