polygonal bowstring
| girder
| polygonal bowstring | |
| gen. | polygonaler Balken |
| girder | |
| gen. | Tragbalken; Binder |
| refrig. | Balken; Binder; Träger |
| tech. | Untergurt; Balken; Deckenträger; I-Träger |
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| polygonaler Balken | |||
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polygonal bowstring : 3 phrases in 1 subject |
| General | 3 |