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Application filedfiledCritical
Priority to JP15887475UpriorityCriticalpatent/JPS5419120Y2/ja
Priority to US05/667,122prioritypatent/US4060080A/en
Priority to DE19762611340prioritypatent/DE2611340A1/de
Publication of JPS5270796UpublicationCriticalpatent/JPS5270796U/ja
Application grantedgrantedCritical
Publication of JPS5419120Y2publicationCriticalpatent/JPS5419120Y2/ja