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发明名称
Procédé de concentration et d'enrichissement des minerais de fer pauvres
摘要
申请公布号
FR913320(A)
申请公布日期
1946.09.04
申请号
FRD913320
申请日期
1945.08.11
申请人
发明人
MINEUR PAUL
分类号
B03C1/015
主分类号
B03C1/015
代理机构
代理人
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