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发明名称
Wiper plug delivery apparatus
摘要
申请公布号
AU785042(B2)
申请公布日期
2006.09.07
申请号
AU20020020305
申请日期
2002.03.04
申请人
BAKER HUGHES INCORPORATED
发明人
JAMES M. FRASER III;JONATHAN P. HANSON
分类号
E21B33/16;E21B23/04
主分类号
E21B33/16
代理机构
代理人
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地址
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