发明名称 Traffic crash barrier - with impact-resistant polyurethane - or polystyrene foam covering
摘要 <p>Cras barrier has at least the face(s) turned toward the traffic path covered with an impact energy dissipating jacket of pref. closed cell polyurethane or polystyrene half-hard foam with a low recovery. The jacket is reinforced with glass fibres.</p>
申请公布号 DE2028295(A1) 申请公布日期 1971.12.16
申请号 DE19702028295 申请日期 1970.06.09
申请人 VAHLBRAUK KARL HEINZ 发明人
分类号 E01F15/04;E01F15/14;(IPC1-7):01F15/00 主分类号 E01F15/04
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