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发明名称
DESIGN PUNCHING METHOD AND APPARATUS
摘要
申请公布号
US3530748(A)
申请公布日期
1970.09.29
申请号
USD3530748
申请日期
1968.12.26
申请人
HARRINGTON & KING PERFORATING CO. INC.:THE
发明人
JUDSON E. FULLER
分类号
B21D31/02;(IPC1-7):B21D28/26
主分类号
B21D31/02
代理机构
代理人
主权项
地址
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