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| entretien en exploitation; entretien sur place | |||
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| services d'exploitation | |||
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field servicing : 25 phrases in 12 subjects |
| Aviation | 3 |
| Communications | 2 |
| Economics | 1 |
| General | 1 |
| Information technology | 2 |
| Law | 1 |
| Name of organization | 1 |
| Obsolete / dated | 1 |
| Patents | 6 |
| Politics | 1 |
| Transport | 3 |
| United Nations | 3 |