发明名称 Moulded cruciform paving stone - is for surfaces subject to pedestrian and wheeled traffic and has four parallel, undulating or saw toothed sides forming branches
摘要 <p>The moulded paving stone for a composite tread surface for roadways, squares, pavements etc. has four sides which are undulating or saw-toothed in shape. The stone is in the shape of a cross. The opposite end surfaces of the branches of the cross (1, 2) are moulded so that they are parallel to each other, and each incorporates at least two complete sinusoidal undulations. The branches of the cross are all of the same length, or can be of different lengths. The opposite side surfaces of the branches are parallel and also incorporate one complete undulation.</p>
申请公布号 FR2358510(A1) 申请公布日期 1978.02.10
申请号 FR19770017865 申请日期 1977.06.10
申请人 SUTHMEIER JUTTA 发明人
分类号 E01C5/00;(IPC1-7):01C5/00 主分类号 E01C5/00
代理机构 代理人
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