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| brevet de validité réelle | |||
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patent of : 345 phrases in 15 subjects |
| Accounting | 1 |
| Agriculture | 2 |
| Aviation | 1 |
| Biotechnology | 1 |
| Business | 2 |
| Chemistry | 1 |
| Coal | 1 |
| Economics | 1 |
| General | 24 |
| Industry | 6 |
| Information technology | 1 |
| International trade | 1 |
| Law | 88 |
| Name of organization | 2 |
| Patents | 213 |