| 摘要 |
A noise reduction device, particularly for noise in places with a high hygiene requirement, in which the noise absorber (1) is mounted at a distance from the base (5) in order to create an air space between the noise absorber and the base, and a noise penetrable cover (12) is placed over the noise absorber (1) in such a way that the cover's (12) main surface is situated at a distance from the noise absorber's (1) opposite side for the creation of a air space between the noise absorber (1) and the mould (12)<IMAGE> |
