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发明名称
Press
摘要
申请公布号
US2307594(A)
申请公布日期
1943.01.05
申请号
US19410400293
申请日期
1941.06.28
申请人
BRIGGS MANUFACTURING COMPANY
发明人
LEE MARION H.
分类号
B21D43/20
主分类号
B21D43/20
代理机构
代理人
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