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enrolamento ondulado
| duplo
| enrolamento ondulado | |
| mech.eng. construct. | våglindning |
| duplo | |
| industr. construct. | dubblera |
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| våglindning | |||
| enrolamento ondulado: 6 phrases in 2 subjects |
| Electric motors | 3 |
| Mechanic engineering | 3 |