发明名称 COMPOSITE MATERIAL
摘要 <p>A composite material made up of fluid permeable layer and a core having drainage voids between projections thereon. The core has a number of relatively large openings defined therein so that in use the fluid permeable layer may extend through the openings in response to a working load applied thereto.</p>
申请公布号 EP2616593(A2) 申请公布日期 2013.07.24
申请号 EP20110776822 申请日期 2011.09.14
申请人 A.B.G. LIMITED 发明人 HERBERT, JIM;SLATER, PAUL;BAMFORTH, ALAN
分类号 E02D17/20;B09B1/00;E02B3/12;E02D31/02 主分类号 E02D17/20
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