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Priority to JP1987084301UpriorityCriticalpatent/JPH0614461Y2/ja
Priority to KR1019870008852Aprioritypatent/KR880003356A/ko
Priority to DE19873727014prioritypatent/DE3727014A1/de
Priority to US07/084,939prioritypatent/US4814938A/en
Publication of JPS63193827UpublicationCriticalpatent/JPS63193827U/ja
Priority to KR2019910003150Uprioritypatent/KR910005762Y1/ko
Application grantedgrantedCritical
Publication of JPH0614461Y2publicationCriticalpatent/JPH0614461Y2/ja