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Priority to JP6195588UpriorityCriticalpatent/JPH01170822U/ja
Priority to KR1019880010251Aprioritypatent/KR890004129A/ko
Priority to CN88106536Aprioritypatent/CN1014628B/zh
Publication of JPH01170822UpublicationCriticalpatent/JPH01170822U/ja
Priority to US07/626,330prioritypatent/US5127822A/en
