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Application filedfiledCritical
Priority to JP1974090926UpriorityCriticalpatent/JPS5539610Y2/ja
Priority to US05/581,901prioritypatent/US3974467A/en
Priority to DE2525495Aprioritypatent/DE2525495C2/de
Publication of JPS5118977UpublicationCriticalpatent/JPS5118977U/ja
Application grantedgrantedCritical
Publication of JPS5539610Y2publicationCriticalpatent/JPS5539610Y2/ja