| 摘要 |
<p>The invention relates to a multi-compartment valve device with parallel walls and gas inlet, division plate walls and gas outlet located in such mutual distance from one another, that when the valve device is filled with a deodorizing material, the contact area between the gas and the absorbing means is maximal in regard to the capacity, and the valve device is further filled with a substrate which expands or swells on exposure to moisture, which is located in at least one compartment downstreams of the compartment(s) with the odour-absorbing means.</p> |
