| |||
| filtro de paragem | |||
| |||
| filtro de bloqueio de quarto de onda | |||
|
stop filter : 10 phrases in 5 subjects |
| Electric machinery | 1 |
| Electronics | 5 |
| Information technology | 1 |
| Piezoelectric crystals | 1 |
| Technology | 2 |
| |||
| filtro de paragem | |||
| |||
| filtro de bloqueio de quarto de onda | |||
|
stop filter : 10 phrases in 5 subjects |
| Electric machinery | 1 |
| Electronics | 5 |
| Information technology | 1 |
| Piezoelectric crystals | 1 |
| Technology | 2 |