| 摘要 |
<p>For the inner cleaning of toilet bowls a tubular member is disclosed to be applied to the bowl (1) and comprising a water supply duct (23) ending at a plurality of nozzles (29) disposed in such a way that, when the tubular member is applied to the rear portion of the bowl, said nozzles generate a jet of water (G1) almost tangent to the inner rear surface (1T) of said bowl. <IMAGE></p> |
