发明名称 DEVICE FOR CLOSING A ROAD ACCESS
摘要 The device for closing a road access is characterized in that it is comprised of a rigid or semi-rigid barrage (1) inclined above the road (2) in a service position and extending at the vertical in a standby position, said barrage means (1) being articulated to a position fixing base (3). The invention is more particularly applicable to a passage way for pedestrians in order to protect them temporarily by such barriers.
申请公布号 WO9315276(A1) 申请公布日期 1993.08.05
申请号 WO1993FR00070 申请日期 1993.01.25
申请人 CENTRE D'ETUDES TECHNIQUES DE L'EQUIPMENT DE L'EST 发明人 HEITZMANN, DANIEL;MARCELLIER, ROBERT;LITAUDON, MAURICE
分类号 E01F13/06 主分类号 E01F13/06
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