发明名称 CULVERT LINER
摘要 A liner for repairing a culvert includes a substantially semi-cylindrical body having an inside surface and an outside surface. The liner is configured for attachment to an inside surface of a culvert and has a shape corresponding to the inside surface of the culvert.
申请公布号 US2012009018(A1) 申请公布日期 2012.01.12
申请号 US201113180935 申请日期 2011.07.12
申请人 MARQUIS JACOB J.;THIBODEAU ALEXANDER J.;KENWAY CORPORATION;UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES 发明人 MARQUIS JACOB J.;THIBODEAU ALEXANDER J.
分类号 E02B8/08;F16L55/18 主分类号 E02B8/08
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