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Publication date
Application filedfiledCritical
Priority to JP14555381UpriorityCriticalpatent/JPS5850323U/ja
Priority to US06/431,689prioritypatent/US4538708A/en
Priority to GB08227970Aprioritypatent/GB2109491B/en
Publication of JPS5850323UpublicationCriticalpatent/JPS5850323U/ja
Application grantedgrantedCritical
Publication of JPS6216507Y2publicationCriticalpatent/JPS6216507Y2/ja