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Application filedfiledCritical
Priority to JP1021972UpriorityCriticalpatent/JPS5343926Y2/ja
Priority to DE19732303419prioritypatent/DE2303419C3/de
Publication of JPS4886204UpublicationCriticalpatent/JPS4886204U/ja
Priority to US05/676,783prioritypatent/US4096828A/en
Application grantedgrantedCritical
Publication of JPS5343926Y2publicationCriticalpatent/JPS5343926Y2/ja