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.)
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Filing date
Publication date
Application filedfiledCritical
Priority to JP1987162800UpriorityCriticalpatent/JPH071219Y2/ja
Priority to EP88900114Aprioritypatent/EP0295309B1/en
Priority to KR1019880700991Aprioritypatent/KR950011666B1/ko
Priority to US07/251,221prioritypatent/US5007777A/en
Priority to PCT/JP1987/000992prioritypatent/WO1988004588A1/ja
Publication of JPH0166919UpublicationCriticalpatent/JPH0166919U/ja
Application grantedgrantedCritical
Publication of JPH071219Y2publicationCriticalpatent/JPH071219Y2/ja