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Priority to JP10105390UpriorityCriticalpatent/JPH0459117U/ja
Priority to KR1019910015803Aprioritypatent/KR920006638A/ko
Priority to US07/764,876prioritypatent/US5172302A/en
Priority to DE4132153Aprioritypatent/DE4132153C2/de
Publication of JPH0459117UpublicationCriticalpatent/JPH0459117U/ja
Priority to KR2019950007784Uprioritypatent/KR960006741Y1/ko