| 摘要 |
<p>The decorative building block is used in erection or ornamental walls, fences or similar. Its two lateral end areas (1, 2) are in the form of virtually cylindrical head pieces extending over its whole height. These are interconnected by a centre stem-type block unit (3). In each of them there is an central inner aligning element (6, 7) also extending over the whole block height, and axially displaceable. This inner element may be in the form of a small cylindrical tube, or cylindrical lug.</p> |
