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Priority to JP15828977UpriorityCriticalpatent/JPS5759820Y2/ja
Priority to US05/932,323prioritypatent/US4193443A/en
Priority to EP78300616Aprioritypatent/EP0002325B1/en
Priority to DE7878300616Tprioritypatent/DE2861322D1/de
Publication of JPS5484655UpublicationCriticalpatent/JPS5484655U/ja
Application grantedgrantedCritical
Publication of JPS5759820Y2publicationCriticalpatent/JPS5759820Y2/ja