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service d'essais | |||
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services d'essai | |||
services de dépistage |
testing service: 17 phrases in 9 subjects |
Aviation | 1 |
Communications | 2 |
Electronics | 1 |
Finances | 1 |
General | 1 |
Natural resourses and wildlife conservation | 2 |
Patents | 4 |
Technology | 3 |
Water resources | 2 |