 |
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| fibres cellulosiques | |||
| rayonne f | |||
| soie artificielle | |||
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rayon : 44 phrases in 9 subjects |
| Chemical fibers | 1 |
| Chemistry | 4 |
| General | 3 |
| Industry | 19 |
| Knitted goods | 1 |
| Materials science | 1 |
| Natural resourses and wildlife conservation | 2 |
| Packaging | 3 |
| Textile industry | 10 |