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发明名称
Procédé pour préparer des minerais de fer pauvres
摘要
申请公布号
FR823001(A)
申请公布日期
1938.01.12
申请号
FRD823001
申请日期
1937.06.12
申请人
METALLGESELLSCHAFT AKTIENGESELLSCHAFT
发明人
分类号
B03B1/00;B03C1/015
主分类号
B03B1/00
代理机构
代理人
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地址
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