| |||
| relojes espiral del volante; resorte de compensación; resorte de nivelación | |||
|
balance spring : 9 phrases in 5 subjects |
| Chemistry | 2 |
| Industry | 1 |
| Technology | 2 |
| Textile industry | 1 |
| Transport | 3 |
| |||
| relojes espiral del volante; resorte de compensación; resorte de nivelación | |||
|
balance spring : 9 phrases in 5 subjects |
| Chemistry | 2 |
| Industry | 1 |
| Technology | 2 |
| Textile industry | 1 |
| Transport | 3 |