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Priority to JP5472985UpriorityCriticalpatent/JPH023014Y2/ja
Priority to KR1019860002874Aprioritypatent/KR910000563B1/ko
Publication of JPS61170761UpublicationCriticalpatent/JPS61170761U/ja
Application grantedgrantedCritical
Publication of JPH023014Y2publicationCriticalpatent/JPH023014Y2/ja
