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Priority to JP5472885UpriorityCriticalpatent/JPH023013Y2/ja
Priority to KR1019860002873Aprioritypatent/KR910000562B1/ko
Publication of JPS61170760UpublicationCriticalpatent/JPS61170760U/ja
Application grantedgrantedCritical
Publication of JPH023013Y2publicationCriticalpatent/JPH023013Y2/ja
