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发明名称
Machine for working sheet metal articles
摘要
申请公布号
US2357793(A)
申请公布日期
1944.09.12
申请号
US19420432969
申请日期
1942.03.02
申请人
CLARK CARL L
发明人
CLARK CARL L.
分类号
B21D19/04
主分类号
B21D19/04
代理机构
代理人
主权项
地址
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