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Priority claimed from JP49141696Aexternal-prioritypatent/JPS5167324A/ja
Priority claimed from JP792875Aexternal-prioritypatent/JPS5170225A/ja
Application filed by Matsushita Electric Works LtdfiledCriticalMatsushita Electric Works Ltd
Publication of ATA872575ApublicationCriticalpatent/ATA872575A/de
Application grantedgrantedCritical
Publication of AT370399BpublicationCriticalpatent/AT370399B/de