Invention Grant
US4133060A Odorless toilet 失效
无臭厕所

Odorless toilet
Abstract:
Disclosed herein is a means for evacuating the odors associated with toilet use away from the environment of the bathroom and into the sewer. Vent means are provided around the periphery directly below the toilet seat, and impelling means are provided to channel the air traversing through these vents into the sewer outlet remote from the bathroom interior.
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