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Publication of FR2337874B3publicationCriticalpatent/FR2337874B3/fr
Aparato para combinar una senal de datos de un medio de me-moria magnetica movil, con informacion de amplitud de la se-nal de datos en una senal digital.
Appareil automatique, portatif et etanche servant a mesurer les valeurs de parametres physiques dans les milieux terrestres ou aquatiques et a enregistrer leurs variations dans le temps