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Priority to JP1975000270UpriorityCriticalpatent/JPS5840791Y2/ja
Priority to US05/595,400prioritypatent/US4093882A/en
Priority to DE2559837Aprioritypatent/DE2559837C2/de
Priority to DE2559838Aprioritypatent/DE2559838C2/de
Publication of JPS5183711UpublicationCriticalpatent/JPS5183711U/ja
Application grantedgrantedCritical
Publication of JPS5840791Y2publicationCriticalpatent/JPS5840791Y2/ja