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Priority to JP2598071UpriorityCriticalpatent/JPS5042885Y2/ja
Priority to GB5843871Aprioritypatent/GB1329907A/en
Publication of JPS4723507UpublicationCriticalpatent/JPS4723507U/ja
Application grantedgrantedCritical
Publication of JPS5042885Y2publicationCriticalpatent/JPS5042885Y2/ja
