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发明名称
Method of electrical reduction of metallic ores
摘要
申请公布号
US1954900(A)
申请公布日期
1934.04.17
申请号
US19330693080
申请日期
1933.10.11
申请人
THEODORE VARNEY
发明人
VARNEY THEODORE
分类号
C22B4/00;C22B4/08
主分类号
C22B4/00
代理机构
代理人
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