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发明名称
DRILLING HEAD
摘要
申请公布号
AU598157(B2)
申请公布日期
1990.06.14
申请号
AU19880023598
申请日期
1988.10.10
申请人
ANDREW MENTIS
发明人
ANDREW MENTIS
分类号
B23B47/18;B23Q1/48;B23Q1/70;B23Q5/40;(IPC1-7):B23B39/00;B23Q1/08;B23Q5/04
主分类号
B23B47/18
代理机构
代理人
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