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发明名称
Pattern for castings
摘要
申请公布号
US2204123(A)
申请公布日期
1940.06.11
申请号
US19380183558
申请日期
1938.01.05
申请人
THE COLUMBUS DENTAL MANUFACTURING COMPANY
发明人
COLLINS PAUL FRANCIS
分类号
B22C7/02
主分类号
B22C7/02
代理机构
代理人
主权项
地址
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