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Priority claimed from JP17253279Aexternal-prioritypatent/JPS5694510A/ja
Priority claimed from JP392980Aexternal-prioritypatent/JPS56101614A/ja
Application filed by Sony CorpfiledCriticalSony Corp
Priority to AT285684ApriorityCriticalpatent/AT408046B/de
Publication of ATA285684ApublicationCriticalpatent/ATA285684A/de
Application grantedgrantedCritical
Publication of AT408046BpublicationCriticalpatent/AT408046B/de