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发明名称
Apparatus and method for treating foundry sand
摘要
申请公布号
US2478461(A)
申请公布日期
1949.08.09
申请号
US19460654958
申请日期
1946.03.16
申请人
NICHOLS ENGINEERING & RESEARCH CORPORATION
发明人
CONNOLLY GEORGE E.
分类号
B22C5/08
主分类号
B22C5/08
代理机构
代理人
主权项
地址
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