| 摘要 |
<p>An air supply/extraction construction element (50, 60, 70, 80, 90) for use in interior decoration, comprising a secondary element with at least one opening for air supply and/or air extraction, a body (51, 61, 71, 81, 91) and joining elements (4) at a peripheral edge (3) of the body (51, 61, 71, 81, 91) for seamlessly integrating the construction element with wall plastering. The body (51, 61, 71, 81, 91) has protrusions defining a volume used for receiving the secondary element with the at least one opening for air supply and/or air extraction. The body (51, 61, 71, 81, 91) and the joining elements are constructed in reinforced plastering material.</p> |
