| Basic properties | |
| Language: | fr |
| Value: | brevet de perfectionnement |
| Class: | Noun |
| Unary relations |
| descriptor |
| legal-term |
| Translations | |
| de | VERBESSERUNGSPATENT |
| it | BREVETTO DI PERFEZIONAMENTO |
| Binary relations | |
| BT | BREVET (PI) |
| PAF | BREVET |
| PAL | PERFECTIONNEMENT |
| UF | brevet portant sur un perfectionnement |
| Sources | ||||||
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