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Priority to JP14254075UpriorityCriticalpatent/JPS5714412Y2/ja
Priority to US05/642,210prioritypatent/US4035673A/en
Priority to DE19752558129prioritypatent/DE2558129A1/de
Priority to GB52922/75Aprioritypatent/GB1530140A/en
Publication of JPS5256571UpublicationCriticalpatent/JPS5256571U/ja
Application grantedgrantedCritical
Publication of JPS5714412Y2publicationCriticalpatent/JPS5714412Y2/ja