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发明名称
Removal of residual debismuthizing reagents in lead refining
摘要
申请公布号
US1979442(A)
申请公布日期
1934.11.06
申请号
US19320627805
申请日期
1932.08.06
申请人
AMERICAN SMELTING AND REFINING COMPANY
发明人
BETTERTON JESSE O.;LEBEDEFF YURIL E.
分类号
C22B13/06
主分类号
C22B13/06
代理机构
代理人
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地址
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