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发明名称
Torque control device for rotary mine drilling machine
摘要
申请公布号
AU689823(B2)
申请公布日期
1998.04.09
申请号
AU19950010117
申请日期
1995.01.10
申请人
DURAMAX, INC.
发明人
RICHARD E. MOORE
分类号
E21B17/07;F16D3/74;F16D3/78;(IPC1-7):E21B3/02;E21B17/042;F16F15/10
主分类号
E21B17/07
代理机构
代理人
主权项
地址
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