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Application filedfiledCritical
Priority to JP7513976UpriorityCriticalpatent/JPS5324249Y2/ja
Priority to US05/804,818prioritypatent/US4121837A/en
Priority to DE19772726079prioritypatent/DE2726079A1/de
Publication of JPS52166505UpublicationCriticalpatent/JPS52166505U/ja
Application grantedgrantedCritical
Publication of JPS5324249Y2publicationCriticalpatent/JPS5324249Y2/ja
