relay-type
| graphic instrument
| relay types abbr. | |
| el. | tipo de relé |
| graphic instrument abbr. | |
| automat. | aparato registrador |
| |||
| tipo de relé | |||
|
relay-type : 12 phrases in 7 subjects |
| Communications | 1 |
| Earth sciences | 2 |
| Electronics | 2 |
| General | 1 |
| Measuring instruments | 2 |
| Mechanic engineering | 1 |
| Technology | 3 |