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发明名称
Procédé pour la production de manganèse métallique et éventuellement de bioxyde de manganèse pur, en partant de minerais de manganèse
摘要
申请公布号
FR875731(A)
申请公布日期
1942.10.01
申请号
FRD875731
申请日期
1941.10.03
申请人
SOCIETA METALLURGICA ITALIANA
发明人
GUARESCHI PIETRO
分类号
C22B47/00;C25C1/10
主分类号
C22B47/00
代理机构
代理人
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