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Priority to JP1978026850UpriorityCriticalpatent/JPS5737605Y2/ja
Priority to EP79300295Aprioritypatent/EP0004155B1/en
Priority to DE7979300295Tprioritypatent/DE2963917D1/de
Publication of JPS54130258UpublicationCriticalpatent/JPS54130258U/ja
Priority to US06/180,479prioritypatent/US4300804A/en
Application grantedgrantedCritical
Publication of JPS5737605Y2publicationCriticalpatent/JPS5737605Y2/ja