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polariserad | ringklocka
| ringklocka | |
| commun. el. | campainha vibradora |
| polariserad: 47 phrases in 8 subjects |
| Antennas and waveguides | 2 |
| Chemistry | 2 |
| Communications | 12 |
| Electric machinery | 1 |
| Electrical engineering | 1 |
| Electronics | 27 |
| Lighting other than cinema | 1 |
| Telephony | 1 |