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发明名称
Tool
摘要
申请公布号
US2240188(A)
申请公布日期
1941.04.29
申请号
US19400327084
申请日期
1940.03.30
申请人
SQUARE D COMPANY
发明人
KINGDON RALPH H.;MOORE GEORGE K.
分类号
B21D28/34
主分类号
B21D28/34
代理机构
代理人
主权项
地址
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