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发明名称
Eliminating patterns from molds
摘要
申请公布号
US3010852(A)
申请公布日期
1961.11.28
申请号
US19580740993
申请日期
1958.06.10
申请人
HOWE SOUND COMPANY
发明人
PRANGE CHARLES H.;LEONARD JOHN I.;SOLLER HENRY W.;FEAGIN ROY C.
分类号
B22C9/04
主分类号
B22C9/04
代理机构
代理人
主权项
地址
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