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经营范围
发明名称
Punching apparatus
摘要
申请公布号
US3417643(A)
申请公布日期
1968.12.24
申请号
US19660564909
申请日期
1966.07.13
申请人
EDWARD D. BENNETT
发明人
BENNETT EDWARD D.
分类号
B21D37/10
主分类号
B21D37/10
代理机构
代理人
主权项
地址
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