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Priority to JP15062088UpriorityCriticalpatent/JPH0513665Y2/ja
Priority to US07/361,867prioritypatent/US4945729A/en
Priority to KR2019890008036Uprioritypatent/KR910007146Y1/ko
Publication of JPH0271061UpublicationCriticalpatent/JPH0271061U/ja
Application grantedgrantedCritical
Publication of JPH0513665Y2publicationCriticalpatent/JPH0513665Y2/ja
