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Priority to JP1979144090UpriorityCriticalpatent/JPS6123484Y2/ja
Priority to US06/192,599prioritypatent/US4362362A/en
Priority to DE19803039343prioritypatent/DE3039343A1/de
Publication of JPS5674401UpublicationCriticalpatent/JPS5674401U/ja
Priority to US06/381,006prioritypatent/US4477150A/en
Application grantedgrantedCritical
Publication of JPS6123484Y2publicationCriticalpatent/JPS6123484Y2/ja