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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Priority to JP1987177948UpriorityCriticalpatent/JPH0181842U/ja
Priority to KR2019880017090Uprioritypatent/KR910005218Y1/ko
Priority to US07/272,329prioritypatent/US4945325A/en
Priority to ZA888660Aprioritypatent/ZA888660B/xx
Priority to EP88119226Aprioritypatent/EP0316944A3/en
Publication of JPH0181842UpublicationCriticalpatent/JPH0181842U/ja
