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发明名称
Method and apparatus for accurately proportioning foundry sand ingredients
摘要
申请公布号
US3355154(A)
申请公布日期
1967.11.28
申请号
US19660526878
申请日期
1966.02.11
申请人
SOUTHINGTON MANUFACTURING, INC.
发明人
KAWECKI RALPH E.
分类号
B22C5/04
主分类号
B22C5/04
代理机构
代理人
主权项
地址
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