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发明名称
Method and apparatus for vacuum casting
摘要
申请公布号
GB872695(A)
申请公布日期
1961.07.12
申请号
GB19580006801
申请日期
1958.03.03
申请人
UNITED STATES STEEL CORPORATION
发明人
分类号
B22D18/06;C21C7/10
主分类号
B22D18/06
代理机构
代理人
主权项
地址
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