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| гнутый профиль проката | |||
| гнутый профиль | |||
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| гнутые профили (Roll formed sections may have advantages over extrusions of a similar shapes. Roll formed parts may be much lighter, with thinner walls possible than in the ... WK Alexander Demidov) | |||
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roll- formed sections : 8 a las frases, 3 temas |
| Construcción de puentes | 4 |
| Metalurgia | 1 |
| Tecnología | 3 |