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Priority to JP736772UpriorityCriticalpatent/JPS5215486Y2/ja
Priority to GB2650372Aprioritypatent/GB1399492A/en
Priority to FR7220553Aprioritypatent/FR2140545B1/fr
Publication of JPS4882260UpublicationCriticalpatent/JPS4882260U/ja
Application grantedgrantedCritical
Publication of JPS5215486Y2publicationCriticalpatent/JPS5215486Y2/ja