| |||
bande enregistreuse | |||
support de diagramme; graphique d'enregistrement | |||
support de diagramme | |||
| |||
bande d'enregistrement |
recording chart : 7 phrases in 6 subjects |
Economy | 1 |
Electronics | 2 |
Information technology | 1 |
Measuring instruments | 1 |
Natural resourses and wildlife conservation | 1 |
Technology | 1 |