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发明名称
Magnetic hammer
摘要
申请公布号
AU2008293134(A1)
申请公布日期
2009.03.05
申请号
AU20080293134
申请日期
2008.08.18
申请人
FLEXIDRILL LIMITED
发明人
PETER EVAN POWELL;GREGORY DONALD WEST
分类号
E21B4/16;B06B1/12;E02D7/18;E21B1/22;E21B6/00;E21B7/00;E21B7/24
主分类号
E21B4/16
代理机构
代理人
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