Fish detection echo sounding system with electronically stabilized narrow beam and bottom locked display
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| Main Authors: | , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
1971
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| Subjects: | SOUND, ECONOMIC STABILIZATION, ELECTRONICS, ECHOSOUNDING, FISH DETECTION, FISHERY MANAGEMENT, SON (ACOUSTIQUE), STABILISATION ECONOMIQUE, ELECTRONIQUE, ECHOSONDAGE, DETECTION DU POISSON, SONIDO, ESTABILIZACION ECONOMICA, ELECTRONICA, ECOSONDEO, DETECCION DE PECES, GESTION DES PECHES, ADMINISTRACION PESQUERA, |
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