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发明名称
Method of treating metallic materials
摘要
申请公布号
US1978219(A)
申请公布日期
1934.10.23
申请号
US19320631198
申请日期
1932.08.31
申请人
ALLEGHENY STEEL COMPANY
发明人
OTTE OTHO M.
分类号
C21D1/04;C21D1/40;C21D8/02;C21D9/46
主分类号
C21D1/04
代理机构
代理人
主权项
地址
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