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Application filedfiledCritical
Priority to JP11630075UpriorityCriticalpatent/JPS5641107Y2/ja
Priority to GB14320/76Aprioritypatent/GB1508076A/en
Priority to US05/676,888prioritypatent/US4073598A/en
Publication of JPS5230248UpublicationCriticalpatent/JPS5230248U/ja
Application grantedgrantedCritical
Publication of JPS5641107Y2publicationCriticalpatent/JPS5641107Y2/ja