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 JP1988089359UpriorityCriticalpatent/JPH0210944U/ja
Priority to EP89304579Aprioritypatent/EP0341930A3/en
Priority to US07/349,832prioritypatent/US5011308A/en
Priority to KR1019890006266Aprioritypatent/KR920009763B1/ko
Publication of JPH0210944UpublicationCriticalpatent/JPH0210944U/ja
