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Priority to JP4705679UpriorityCriticalpatent/JPS5613819Y2/ja
Priority to US06/136,639prioritypatent/US4339149A/en
Publication of JPS55148462UpublicationCriticalpatent/JPS55148462U/ja
Application grantedgrantedCritical
Publication of JPS5613819Y2publicationCriticalpatent/JPS5613819Y2/ja