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Individual
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Individual
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Priority to ES337946ApriorityCriticalpatent/ES337946A3/es
Publication of ES337946A3publicationCriticalpatent/ES337946A3/es
Schakelinrichting voor het besturen van de rotatiesnelheid van een, met de magnetiseerbare band samenwerkende, roteerbare magneetkopdrager van een magnetische bandregistreer- en weergeefinrichting.