| 摘要 |
Novel device which consists of a hollow body installed on the upper part of a toilet, in a monobloc manner or otherwise, also forming a seat board, which has inner channels 4, 12 or 22 which, in collaboration with a perimeter groove 9, 15 or 26, conveys the gases and bad smells towards a flange (projection) 5, 13 or 23 provided with channels or conduits 6, 14 or 24, incorporating an extractor powered by electrical energy. <IMAGE>
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