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发明名称
Apparatus for cutting or stamping articles from sheet material
摘要
申请公布号
US2113843(A)
申请公布日期
1938.04.12
申请号
US19340758427
申请日期
1934.12.20
申请人
KAVLE OSCAR C
发明人
KAVLE OSCAR C.
分类号
B21D28/36
主分类号
B21D28/36
代理机构
代理人
主权项
地址
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