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经营范围
发明名称
Procédé d'extraction de manganèse, de fer et d'autres métaux à partir de silicates, de déchets métallurgiques et de produits minéraux complexes, ainsi que ses diverses applications
摘要
申请公布号
FR1476389(A)
申请公布日期
1967.04.07
申请号
FR19660058134
申请日期
1966.04.19
申请人
MINISTERUL INDUSTRIEI CHIMICE
发明人
分类号
C22B1/02;C22B3/08
主分类号
C22B1/02
代理机构
代理人
主权项
地址
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