| 摘要 |
The airborne-sound-insulating sheet-like element has no fixed connection between a central layer (4, 5), formed from at least one wood-chip layer (5) and at least two sound-absorbing panels (4) with punctiform gluing, and the carrying frame (1), and the central layer (4, 5) is held in position by means of the cover sheets (3) which are fixedly connected to the carrying frame (1) and to which the central layer (4, 5) is glued. <IMAGE>
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