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circuito radioelétrico | |||
rádio | |||
radioeléctrico | |||
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hertziano |
radio: 72 phrases in 13 subjects |
Brazil | 1 |
Communications | 29 |
Electronics | 4 |
General | 6 |
Information technology | 1 |
Law | 2 |
Medical | 2 |
Patents | 21 |
Politics | 1 |
Radio | 2 |
Rail transport | 1 |
Satellite communications | 1 |
Transport | 1 |