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Priority to JP14893189UpriorityCriticalpatent/JPH0386523U/ja
Priority to US07/629,654prioritypatent/US5181603A/en
Priority to DE4041410Aprioritypatent/DE4041410C2/de
Priority to KR2019900020709Uprioritypatent/KR930006597Y1/ko
Publication of JPH0386523UpublicationCriticalpatent/JPH0386523U/ja