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Priority to JP1978021662UpriorityCriticalpatent/JPS5820244Y2/ja
Priority to DE2853466Aprioritypatent/DE2853466C2/de
Priority to US05/967,949prioritypatent/US4436087A/en
Publication of JPS54135087UpublicationCriticalpatent/JPS54135087U/ja
Application grantedgrantedCritical
Publication of JPS5820244Y2publicationCriticalpatent/JPS5820244Y2/ja