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发明名称
METAL SHEET DRILLING DISK ROLL, METAL SHEET DRILLING DEVICE USING THE ROLL, METAL SHEET DRILLING METHOD, AND DRILLED METAL SHEET
摘要
申请公布号
EP1219364(A4)
申请公布日期
2003.05.28
申请号
EP19990940658
申请日期
1999.09.03
申请人
TOYO KOHAN CO., LTD.
发明人
SHIMIZU, KEIICHI
分类号
B21D28/36;B26F1/10;B26F1/14;(IPC1-7):B21D28/12
主分类号
B21D28/36
代理机构
代理人
主权项
地址
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