发明名称 Roadway barrier structure and method of making
摘要 A roadway barrier structure is prepared by laying a porous fabric upon a base course, bonding a barrier structure upon a portion of the porous fabric that rests upon the base course, and placing at least a portion of a traffic-bearing course upon a portion of the porous fabric that rests upon the base course and extends beyond the barrier structure.
申请公布号 US4068968(A) 申请公布日期 1978.01.17
申请号 US19760706030 申请日期 1976.07.16
申请人 PHILLIPS PETROLEUM COMPANY 发明人 GAGLE, DUANE W.;DRAPER, HOMER L.
分类号 E01C11/22;(IPC1-7):E01C11/22 主分类号 E01C11/22
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