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发明名称
DRILLING TOOL AND METHOD OF MAKING IT
摘要
申请公布号
DE3461994(D1)
申请公布日期
1987.02.19
申请号
DE19843461994
申请日期
1984.02.02
申请人
GUHRING, GOTTLIEB
发明人
GUHRING, KNUT
分类号
B23B51/06;B23P15/32;(IPC1-7):B23B51/06
主分类号
B23B51/06
代理机构
代理人
主权项
地址
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