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Priority to JP1985162639UpriorityCriticalpatent/JPH0522470Y2/ja
Priority to US06/911,055prioritypatent/US4723356A/en
Priority to KR1019860008156Aprioritypatent/KR890002493B1/ko
Publication of JPS6270065UpublicationCriticalpatent/JPS6270065U/ja
Application grantedgrantedCritical
Publication of JPH0522470Y2publicationCriticalpatent/JPH0522470Y2/ja
