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经营范围
发明名称
Improvement in extractive metallurgy and process
摘要
申请公布号
GB9915057(D0)
申请公布日期
1999.08.25
申请号
GB19990015057
申请日期
1999.06.25
申请人
OMOYIOLA, BAMBOUR O
发明人
分类号
C22B21/00;C22B34/22;C22B34/32;C25C3/00;C25C3/06;C25C3/28
主分类号
C22B21/00
代理机构
代理人
主权项
地址
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