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Priority to JP4815371UpriorityCriticalpatent/JPS5131238Y2/ja
Priority to GB2650372Aprioritypatent/GB1399492A/en
Priority to FR7220553Aprioritypatent/FR2140545B1/fr
Publication of JPS487454UpublicationCriticalpatent/JPS487454U/ja
Application grantedgrantedCritical
Publication of JPS5131238Y2publicationCriticalpatent/JPS5131238Y2/ja