| |||
| Frequenzkontrollrelais n; Frequenzrelais n | |||
|
frequency relay : 8 phrases in 4 subjects |
| Automated equipment | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Technology | 5 |
| |||
| Frequenzkontrollrelais n; Frequenzrelais n | |||
|
frequency relay : 8 phrases in 4 subjects |
| Automated equipment | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Technology | 5 |