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| houssets serrures | |||
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| serrure à houssette | |||
| verrou à ressort | |||
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spring locks : 32 phrases in 10 subjects |
| Communications | 1 |
| Construction | 1 |
| General | 2 |
| Industry | 6 |
| Materials science | 4 |
| Mechanic engineering | 7 |
| Medical appliances | 1 |
| Metallurgy | 1 |
| Technology | 6 |
| Transport | 3 |