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Toilet basin ventilation arrangement has ventilation device coupled to flushing water feed line and upwardly inclined branch in flushing water feed system that opens into existing ventilation system
Toilet basin ventilation arrangement has ventilation device coupled to flushing water feed line and upwardly inclined branch in flushing water feed system that opens into existing ventilation system
The toilet basin ventilation arrangement has a ventilation device that is coupled to the feed line for the flushing water and an upwardly inclined branch (4) in the flushing water feed system (3) that opens into an existing ventilation system. The branch contains a non-return flap (6).
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