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Application filedfiledCritical
Priority to JP1975168247UpriorityCriticalpatent/JPS5522621Y2/ja
Priority to US05/707,631prioritypatent/US4087845A/en
Priority to DE19762634161prioritypatent/DE2634161A1/de
Publication of JPS5280632UpublicationCriticalpatent/JPS5280632U/ja
Application grantedgrantedCritical
Publication of JPS5522621Y2publicationCriticalpatent/JPS5522621Y2/ja