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| группа исполнения (All structures in Seismic Design Category B can be designed using the ELF technique and it is the method most commonly used in this design category. Alexander Demidov) | |||
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design categories : 4 a las frases, 3 temas |
| Construcción | 1 |
| General | 2 |
| Industria energetica | 1 |