| 摘要 |
<p>The invention refers to a model (7') for distancing the bricks of the chimney coating. On the basic model (8') there is a frame (9')), 9'') which as a wreath surrounds the rim of the plate of the basic model (8')and is simply supported for the purpose of adjusting the basic model (8') to the bigger cross-section of the coating brick.</p> |
