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发明名称
Permanent magnet direct drive mud pump
摘要
申请公布号
AU2010326662(A1)
申请公布日期
2012.05.31
申请号
AU20100326662
申请日期
2010.09.17
申请人
WILLIAMS, KEVIN
发明人
WILLIAMS, KEVIN R.
分类号
E21B21/01;E21B21/06;F04B17/00
主分类号
E21B21/01
代理机构
代理人
主权项
地址
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