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发明名称
COLUMBIUM CONTAINING STEELS, PROCESS FOR THEIR MANUFACTURE AND ARTICLES PREPARED THEREFROM
摘要
申请公布号
CA689610(A)
申请公布日期
1964.06.30
申请号
CAD689610
申请日期
申请人
NATIONAL STEEL CORPORATION
发明人
CLARENCE L. ALTENBURGER;FREDERIC A. BOURKE
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