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Priority claimed from JP11196980Aexternal-prioritypatent/JPS5736473A/en
Application filed by Sony CorpfiledCriticalSony Corp
Priority to AT0422882ApriorityCriticalpatent/AT376319B/en
Publication of ATA422882ApublicationCriticalpatent/ATA422882A/en
Application grantedgrantedCritical
Publication of AT376319BpublicationCriticalpatent/AT376319B/en