A fish detection echo sounding system with an electronically stabilized narrow beam and bottom locked display
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Main Authors: | , |
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Format: | Texto biblioteca |
Language: | |
Published: |
1970
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Subjects: | FI FII FF, ELECTRONICS, FISH DETECTION, ECHOSOUNDING, FISHERY MANAGEMENT, ELECTRONIQUE, DETECTION DU POISSON, ECHOSONDAGE, ELECTRONICA, DETECCION DE PECES, ECOSONDEO, GESTION DES PECHES, ADMINISTRACION PESQUERA, |
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