| 摘要 |
<p>A device for the expulsion of bad-smelling odours comprises means (1) for suction of the odours, a duct (2) for disposal of the odours, which can be installed on a pre-existing flushing pipe (3) already used for the water flow, and a valve (4) able to allow or prevent access to said duct (2). Means (5) for activation of said suction means (1) allow operation of the suction means (1) to be started and stopped. <IMAGE></p> |
