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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Publication date
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Priority to JP1989077321UpriorityCriticalpatent/JPH0315740U/ja
Priority to US07/536,349prioritypatent/US5083735A/en
Priority to EP19900112356prioritypatent/EP0405552A3/en
Priority to KR1019900009719Aprioritypatent/KR920010116B1/ko
Publication of JPH0315740UpublicationCriticalpatent/JPH0315740U/ja
Priority to US07/826,369prioritypatent/US5150871A/en
