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发明名称
Knock-out punch
摘要
申请公布号
US3105299(A)
申请公布日期
1963.10.01
申请号
US19610162873
申请日期
1961.12.28
申请人
WIRTANEN AXEL M
发明人
WIRTANEN AXEL M.
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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