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发明名称
SUBSURFACE CONNECTION METHODS FOR SUBSURFACE HEATERS
摘要
申请公布号
IL186210(D0)
申请公布日期
2008.01.20
申请号
IL20070186210
申请日期
2007.09.24
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
分类号
E21B
主分类号
E21B
代理机构
代理人
主权项
地址
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