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Priority to JP3174472UpriorityCriticalpatent/JPS5233888Y2/ja
Priority to GB826973Aprioritypatent/GB1382226A/en
Priority to FR7307172Aprioritypatent/FR2174181B1/fr
Publication of JPS48107073UpublicationCriticalpatent/JPS48107073U/ja
Application grantedgrantedCritical
Publication of JPS5233888Y2publicationCriticalpatent/JPS5233888Y2/ja