| 摘要 |
Each of the wall parts (SP1) comprises at least two sections (A11,A12) which abut at a seam and at least one angled connecting component bridges over the seam. The connecting component comprises an angled plate with two panels. The plate is of one-pierce rigid construction, and has surface recesses. It extends along the seam over at least 60 per cent of the height of the wall part
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