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Priority to JP2445780ApriorityCriticalpatent/JPS56120318A/ja
Priority to EP81300758Aprioritypatent/EP0035356B1/en
Priority to DE8181300758Tprioritypatent/DE3176317D1/de
Priority to US06/238,358prioritypatent/US4409160A/en
Publication of JPS56120318ApublicationCriticalpatent/JPS56120318A/ja
Publication of JPS6359854B2publicationCriticalpatent/JPS6359854B2/ja