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经营范围
发明名称
Procédé pour l'obtention d'oxydes de fer à partir de minerais de fer et installation pour la mise en oeuvre de ce procédé.
摘要
申请公布号
CH252823(A)
申请公布日期
1948.01.31
申请号
CHD252823
申请日期
1945.09.28
申请人
SOCIETE D'ETUDES ET DE BREVETS
发明人
BREVETS SOCIETE D'ETUDES ET DE
分类号
C22B1/02;C22B1/14
主分类号
C22B1/02
代理机构
代理人
主权项
地址
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