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| goujon de fixation; vis d'arret noyée; vis de pression; vis de rappel; vis de réglage; vis de serrage | |||
| lock screw: locking screw: 14 phrases in 6 subjects |
| Earth sciences | 1 |
| Life sciences | 1 |
| Mechanic engineering | 6 |
| Medical appliances | 1 |
| Technology | 1 |
| Transport | 4 |