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发明名称
Dry metallurgical process for extracting lead from its sulphide or oxidized ore
摘要
申请公布号
US2850375(A)
申请公布日期
1958.09.02
申请号
US19530376131
申请日期
1953.08.24
申请人
ANDRE BERTRAND
发明人
BERTRAND ANDRE
分类号
C22B13/00;C22B13/02
主分类号
C22B13/00
代理机构
代理人
主权项
地址
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