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发明名称
Punching device
摘要
申请公布号
US2415866(A)
申请公布日期
1947.02.18
申请号
US19450571150
申请日期
1945.01.03
申请人
REMINGTON RAND INC.
发明人
BRAUN EDWARD
分类号
B21D43/26
主分类号
B21D43/26
代理机构
代理人
主权项
地址
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