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发明名称
COMPACT HIGH-TORQUE APPARATUS AND METHOD FOR ROTATING PIPE
摘要
申请公布号
AU2543488(A)
申请公布日期
1989.04.17
申请号
AU19880025434
申请日期
1988.09.07
申请人
HAWK INDUSTRIES, INC.
发明人
THOMAS D. HAUK
分类号
B25B13/52;E21B19/16;(IPC1-7):B25B17/00
主分类号
B25B13/52
代理机构
代理人
主权项
地址
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