A 200 kc/28 kc dual frequency echo sounder for aimed midwater shrimp trawling.
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Main Authors: | , |
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Format: | Texto biblioteca |
Language: | |
Published: |
1964
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Subjects: | TRAWLING, PRAWNS and SHRIMPS, ECHOSOUNDING, FISH DETECTION, FISHING GEAR, CHALUTAGE, CREVETTE, ECHOSONDAGE, DETECTION DU POISSON, ENGIN DE PECHE, PESCA A LA RASTRA, GAMBAS Y CAMARONES, ECOSONDEO, DETECCION DE PECES, EQUIPO DE PESCA, |
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