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Priority to JP1977088201UpriorityCriticalpatent/JPS5714140Y2/ja
Priority to US05/921,689prioritypatent/US4252364A/en
Priority to GB7828924Aprioritypatent/GB2001915B/en
Priority to DE19782829608prioritypatent/DE2829608A1/de
Publication of JPS5415916UpublicationCriticalpatent/JPS5415916U/ja
Application grantedgrantedCritical
Publication of JPS5714140Y2publicationCriticalpatent/JPS5714140Y2/ja