发明名称 DRILL HEAD
摘要 The invention relates to a drill head, particularly for a horizontal drilling device, comprising a housing and a radar unit disposed within the housing, wherein the radar unit generates electromagnetic waves that exit the housing, and characterized in that the housing is made of a dielectric material at least in the region where the electromagnetic waves exit the housing.
申请公布号 WO2009146895(A3) 申请公布日期 2010.05.20
申请号 WO2009EP03959 申请日期 2009.06.03
申请人 TRACTO-TECHNIK GMBH & CO. KG;BOIKE, VOLKER 发明人 BOIKE, VOLKER
分类号 E21B7/04;E21B7/20;E21B7/26;E21B47/09;G01S13/88;G01V3/12 主分类号 E21B7/04
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