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Priority to JP1985018181UpriorityCriticalpatent/JPH0451004Y2/ja
Priority to KR1019860000838Aprioritypatent/KR900002191B1/ko
Priority to CN86100365Aprioritypatent/CN86100365B/zh
Publication of JPS61138442UpublicationCriticalpatent/JPS61138442U/ja
Application grantedgrantedCritical
Publication of JPH0451004Y2publicationCriticalpatent/JPH0451004Y2/ja