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| caillou m; flint m; silice f | |||
| pierre à feu | |||
| chert m; silex m | |||
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| caillou m; min. silex | |||
| Anglais glossaire | |||
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| flint | |||
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| semiconductor intersatellite laser link experiment | |||
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| semiconductor laser intersatellite link experiment | |||
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silex : 2 phrases, 2 sujets |
| Charbon | 1 |
| Industrie | 1 |