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发明名称
Process of making mold of alloy
摘要
申请公布号
US1853385(A)
申请公布日期
1932.04.12
申请号
US19260151597
申请日期
1926.11.29
申请人
SPADE WILLIAM P;SPADE JAMES H
发明人
SPADE WILLIAM P.;SPADE JAMES H.
分类号
B22C9/06
主分类号
B22C9/06
代理机构
代理人
主权项
地址
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