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发明名称
Combined doctor means
摘要
申请公布号
US3375805(A)
申请公布日期
1968.04.02
申请号
US19650484670
申请日期
1965.09.02
申请人
UNITED STATES STEEL CORPORATION
发明人
BEALL RICHARD O.;JR. HARRY M. BERNARD,
分类号
C23C2/14;C23C2/38
主分类号
C23C2/14
代理机构
代理人
主权项
地址
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