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Priority to JP8894288UpriorityCriticalpatent/JPH0211237U/ja
Priority to KR2019890009095Uprioritypatent/KR930002384Y1/ko
Priority to AU37195/89Aprioritypatent/AU621905B2/en
Priority to US07/374,894prioritypatent/US4955954A/en
Publication of JPH0211237UpublicationCriticalpatent/JPH0211237U/ja