| 摘要 |
Prefabricated element for producing technical low walls of urban or private property, characterised in that it includes a body (2) of general rectangular parallelepipedal structure, the two lateral edges (3, 4) being partially chamfered over the greater part of their length from the bottom so as to determine an upper plate (5, 6, 9) of relative small thickness overhanging each of the said chamfers. <IMAGE>
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