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发明名称
Method of compounding corrosion resisting forgeable ferrous alloys
摘要
申请公布号
US1956646(A)
申请公布日期
1934.05.01
申请号
US19310561260
申请日期
1931.09.04
申请人
UNITED STATES PIPE & FOUNDRY COMPANY;CRUCIBLE STEEL COMPANY
发明人
LANGENBERG FREDERICK C.
分类号
C22C38/60
主分类号
C22C38/60
代理机构
代理人
主权项
地址
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