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Priority to JP17856975UpriorityCriticalpatent/JPS5353012Y2/ja
Priority to GB5333076Aprioritypatent/GB1560109A/en
Publication of JPS5289523UpublicationCriticalpatent/JPS5289523U/ja
Application grantedgrantedCritical
Publication of JPS5353012Y2publicationCriticalpatent/JPS5353012Y2/ja