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Priority to JP5472785UpriorityCriticalpatent/JPH023012Y2/ja
Priority to KR1019860002873Aprioritypatent/KR910000562B1/ko
Publication of JPS61170759UpublicationCriticalpatent/JPS61170759U/ja
Application grantedgrantedCritical
Publication of JPH023012Y2publicationCriticalpatent/JPH023012Y2/ja
