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Priority to JP8614387UpriorityCriticalpatent/JPH0355035Y2/ja
Priority to US07/072,925prioritypatent/US4775170A/en
Priority to KR1019870008148Aprioritypatent/KR920002319B1/ko
Publication of JPS63195195UpublicationCriticalpatent/JPS63195195U/ja
Application grantedgrantedCritical
Publication of JPH0355035Y2publicationCriticalpatent/JPH0355035Y2/ja
