发明名称 PEDESTRIAN-WARNING LIGHT SYSTEM FOR VEHICLES
摘要 <p>An apparatus for suspending a liner within a bore comprising a central tubular member and first and second sets of radially expandable arms. Each set of arms are expandable by corresponding longitudinally movable cones spaced apart along the tubular member. The apparatus further includes a seal located between the first and second sets of radially expandable arms and a selectably longitudinally compressible sleeve located between the first and second sets of radially expandable arms.</p>
申请公布号 CA2837616(A1) 申请公布日期 2015.06.23
申请号 CA20132837616 申请日期 2013.12.23
申请人 AZIZ, BASEM A. 发明人 AZIZ, BASEM A.
分类号 E21B41/00;E21B23/00;E21B33/04;E21B33/10 主分类号 E21B41/00
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