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Application filedfiledCritical
Priority to JP10484076UpriorityCriticalpatent/JPS5634926Y2/ja
Priority to US05/718,937prioritypatent/US4076410A/en
Priority to DE2643908Aprioritypatent/DE2643908C2/de
Publication of JPS5321530UpublicationCriticalpatent/JPS5321530U/ja
Application grantedgrantedCritical
Publication of JPS5634926Y2publicationCriticalpatent/JPS5634926Y2/ja