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Priority claimed from JP10500772Uexternal-prioritypatent/JPS5122868Y2/ja
Priority claimed from JP13421772Uexternal-prioritypatent/JPS5316462Y2/ja
Application filed by Matsushita Electric Ind Co LtdfiledCriticalMatsushita Electric Ind Co Ltd
Publication of ATA770273ApublicationCriticalpatent/ATA770273A/de
Application grantedgrantedCritical
Publication of AT333534BpublicationCriticalpatent/AT333534B/de