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发明名称
Method and apparatus for vacuum casting
摘要
申请公布号
US3013316(A)
申请公布日期
1961.12.19
申请号
US19580784149
申请日期
1958.12.31
申请人
UNITED STATES STEEL CORPORATION
发明人
HORNAK JOHN N.;OREHOSKI MICHAEL A.
分类号
B22D18/06;C21C7/10
主分类号
B22D18/06
代理机构
代理人
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