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Publication date
Priority claimed from JP469777Aexternal-prioritypatent/JPS5389691A/ja
Priority claimed from JP52011080Aexternal-prioritypatent/JPS5828667B2/ja
Priority claimed from JP1222277Uexternal-prioritypatent/JPS53108925U/ja
Application filed by Matsushita Electric Ind Co LtdfiledCriticalMatsushita Electric Ind Co Ltd
Publication of DK20278ApublicationCriticalpatent/DK20278A/da