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Priority to JP15233189UpriorityCriticalpatent/JPH0389996U/ja
Priority to KR1019900014297Aprioritypatent/KR910012551A/ko
Priority to DE4029041Aprioritypatent/DE4029041A1/de
Publication of JPH0389996UpublicationCriticalpatent/JPH0389996U/ja
