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发明名称
Apparatus for cleaning boreholes within substrates
摘要
申请公布号
AU2009271499(A1)
申请公布日期
2010.01.21
申请号
AU20090271499
申请日期
2009.05.04
申请人
ILLINOIS TOOL WORKS INC.
发明人
RICHARD GRIFFITH
分类号
E21B21/06;E21B37/00
主分类号
E21B21/06
代理机构
代理人
主权项
地址
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