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Priority claimed from JP51080127Aexternal-prioritypatent/JPS606034B2/ja
Priority claimed from JP2185077Aexternal-prioritypatent/JPS53106106A/ja
Priority claimed from AT0484677Aexternal-prioritypatent/AT378884B/de
Application filed by Sony CorpfiledCriticalSony Corp
Priority to AT499979ApriorityCriticalpatent/AT378886B/de
Publication of ATA499979ApublicationCriticalpatent/ATA499979A/de
Application grantedgrantedCritical
Publication of AT378886BpublicationCriticalpatent/AT378886B/de