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Application filedfiledCritical
Priority to JP1979154005UpriorityCriticalpatent/JPS5712948Y2/ja
Priority to JP1979154004Uprioritypatent/JPS5712947Y2/ja
Priority to US06/105,929prioritypatent/US4286344A/en
Publication of JPS5670867UpublicationCriticalpatent/JPS5670867U/ja
Application grantedgrantedCritical
Publication of JPS5712948Y2publicationCriticalpatent/JPS5712948Y2/ja