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发明名称
STRUCTURE FOR FINE BLANKING
摘要
申请公布号
US3570343(A)
申请公布日期
1971.03.16
申请号
USD3570343
申请日期
1968.10.18
申请人
DI-DRO SYSTEMS INC.
发明人
ERVIN E. WOLNOSKY;WALDEMAR HOLZ
分类号
B21D28/16;(IPC1-7):B26D7/02;B26D7/06
主分类号
B21D28/16
代理机构
代理人
主权项
地址
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