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发明名称
Method of producing iron oxide and for production of powdered iron
摘要
申请公布号
US2413492(A)
申请公布日期
1946.12.31
申请号
US19440531324
申请日期
1944.04.17
申请人
CONTINENTAL MACHINES, INC.
发明人
FIRTH CHARLES V.
分类号
B22F9/22
主分类号
B22F9/22
代理机构
代理人
主权项
地址
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