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Priority to JP1986108594UpriorityCriticalpatent/JPH0512917Y2/ja
Priority to KR1019870006970Aprioritypatent/KR920001845B1/ko
Priority to EP87109937Aprioritypatent/EP0254147A3/en
Priority to CN87104929Aprioritypatent/CN1006343B/zh
Publication of JPS6315555UpublicationCriticalpatent/JPS6315555U/ja
Application grantedgrantedCritical
Publication of JPH0512917Y2publicationCriticalpatent/JPH0512917Y2/ja
