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发明名称
DEEP HOLE DRILLING TOOL
摘要
申请公布号
DE3373066(D1)
申请公布日期
1987.09.24
申请号
DE19833373066
申请日期
1983.02.12
申请人
TBT TIEFBOHRTECHNIK GMBH UND CO. KG.
发明人
ARMBRUCKNER, OTTO
分类号
B23B29/02;(IPC1-7):B23B29/02
主分类号
B23B29/02
代理机构
代理人
主权项
地址
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