Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to JP1990014418UpriorityCriticalpatent/JPH03106139U/ja
Priority to DE19914190251prioritypatent/DE4190251T/de
Priority to PCT/JP1991/000148prioritypatent/WO1991012421A1/ja
Priority to US07/768,616prioritypatent/US5271366A/en
Priority to KR1019910701265Aprioritypatent/KR950013543B1/ko
Priority to DE4190251Aprioritypatent/DE4190251C2/de
Publication of JPH03106139UpublicationCriticalpatent/JPH03106139U/ja
