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Priority to JP1977160985UpriorityCriticalpatent/JPS5745694Y2/ja
Priority to US05/958,954prioritypatent/US4248102A/en
Priority to DE2849321Aprioritypatent/DE2849321C2/de
Priority to IT29914/78Aprioritypatent/IT1100558B/it
Publication of JPS5487002UpublicationCriticalpatent/JPS5487002U/ja
Application grantedgrantedCritical
Publication of JPS5745694Y2publicationCriticalpatent/JPS5745694Y2/ja