for the coating of canaletta prefab you were standing guard on side walls provided with holes and external areas of reduced thickness passers-by.

摘要

the present invention relates to a canaletta prefab for the coating of you were standing guard on side walls provided with holes and external areas of reduced thickness passers-by.of the type composed of a back wall and two side walls pointing upwards, characterised by the fact that on the side walls are provided for some couples.corresponding opposed holes passers-by to horizontal axis, while the outside of the same side walls are provided for certain areas of reduced thickness.limited to frames (get up.