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发明名称
Compressible darts and methods for using these darts in subterranean wells
摘要
申请公布号
AU2009233664(B2)
申请公布日期
2011.03.03
申请号
AU20090233664
申请日期
2009.11.04
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
DAVID D. SZARKA
分类号
E21B33/16
主分类号
E21B33/16
代理机构
代理人
主权项
地址
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