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发明名称
Electro-hyraulically controlled tractor
摘要
申请公布号
AU2922202(A)
申请公布日期
2002.05.16
申请号
AU20020029222
申请日期
2002.03.28
申请人
WESTERN WELL TOOL, INC.
发明人
RONALD E. BEAUFORT;NORMAN BRUCE MOORE;DUANE BLOOM
分类号
E21B4/18;E21B23/04
主分类号
E21B4/18
代理机构
代理人
主权项
地址
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