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发明名称
Method for the production of iron, nickel, cobalt, manganese, and chromium from their ores
摘要
申请公布号
US2740710(A)
申请公布日期
1956.04.03
申请号
US19520272446
申请日期
1952.02.19
申请人
FRIEDRICH JOHANNSEN
发明人
JOHANNSEN FRIEDRICH
分类号
C21B13/10
主分类号
C21B13/10
代理机构
代理人
主权项
地址
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