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Priority to JP1104280UpriorityCriticalpatent/JPS6226844Y2/ja
Priority to GB8102240Aprioritypatent/GB2069220B/en
Priority to US06/228,924prioritypatent/US4367546A/en
Priority to DE3102798Aprioritypatent/DE3102798C2/de
Publication of JPS56113228UpublicationCriticalpatent/JPS56113228U/ja
Application grantedgrantedCritical
Publication of JPS6226844Y2publicationCriticalpatent/JPS6226844Y2/ja