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Priority to JP1978037067UpriorityCriticalpatent/JPS581101Y2/ja
Priority to FR7907152Aprioritypatent/FR2420474A1/fr
Priority to IT7921207Aprioritypatent/IT1163658B/it
Publication of JPS54140444UpublicationCriticalpatent/JPS54140444U/ja
Application grantedgrantedCritical
Publication of JPS581101Y2publicationCriticalpatent/JPS581101Y2/ja