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Priority to JP14382181UpriorityCriticalpatent/JPS5848293U/ja
Priority to DE19823202544prioritypatent/DE3202544A1/de
Priority to GB8202678Aprioritypatent/GB2096905B/en
Publication of JPS5848293UpublicationCriticalpatent/JPS5848293U/ja
Application grantedgrantedCritical
Publication of JPS632072Y2publicationCriticalpatent/JPS632072Y2/ja