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发明名称
UNTERIRDISCHE VERBINDUNGSVERFAHREN FÜR UNTERIRDISCHE HEIZVORRICHTUNGEN
摘要
申请公布号
DE602006007974(D1)
申请公布日期
2009.09.03
申请号
DE20066007974T
申请日期
2006.04.21
申请人
SHELL OIL CO.;SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
BASS, RONALD MARSHALL;CARL, FREDERICK GORDON;KELTNER, THOMAS J.;KIM, DONG SUB;MASON, STANLEY LEROY;STEGEMEIER, GEORGE LEO;VINEGAR, HAROLD J.
分类号
E21B36/04;H01R4/08
主分类号
E21B36/04
代理机构
代理人
主权项
地址
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