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Priority to JP1987027067UpriorityCriticalpatent/JPH024570Y2/ja
Priority to KR2019870019114Uprioritypatent/KR910008523Y1/ko
Priority to US07/141,524prioritypatent/US4858339A/en
Publication of JPS63133102UpublicationCriticalpatent/JPS63133102U/ja
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Publication of JPH024570Y2publicationCriticalpatent/JPH024570Y2/ja