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Adcock-pejl
med | H-antenn
| Adcock-pejl | |
| commun. el. | radiogoniómetro Adcock |
| H-antenn | |
| commun. | antena em H |
| |||
| radiogoniómetro Adcock | |||
| Adcock-pejl: 5 phrases in 1 subject |
| Communications | 5 |