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发明名称
Molding flask and method of molding
摘要
申请公布号
US2538656(A)
申请公布日期
1951.01.16
申请号
US19470748785
申请日期
1947.05.17
申请人
BROWN INDUSTRIES INCORPORATED
发明人
RINDERLE KARL T.
分类号
B22C9/20;B22C21/00;B22C21/02
主分类号
B22C9/20
代理机构
代理人
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