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| лоток лестничного типа (кабельный Alexander Demidov) | |||
| кабельный лоток лестничного типа (ladder tray has the cables supported by a traverse bar, similarly to the rungs of a ladder, at regular intervals on the order of 4 to 12 inches (100 to 300 mm). WAD ADENYUR) | |||
| ladder tray: 4 a las frases, 2 temas |
| Electricidad | 2 |
| Tecnología | 2 |