 |
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| early form | |||
| rough mold | |||
| preform; optical fiber preform; optical fibre preform | |||
| rough-casting mould | |||
| blank; blank mould; parison mould | |||
| moulder; first shape | |||
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| preform | |||
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| preforming | |||
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| to slip the lasts (zwickmaschineen) | |||
| preform (Anschlüsse) | |||
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| preboarding | |||
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Vorform : 9 a las frases, 4 temas |
| Industria | 4 |
| Ingeniería mecánica | 1 |
| Química | 2 |
| Tecnología | 2 |