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 JP1986093116UpriorityCriticalpatent/JPS631668U/ja
Priority to US06/932,819prioritypatent/US4746466A/en
Priority to KR1019860009947Aprioritypatent/KR930004011B1/ko
Priority to DE19873706593prioritypatent/DE3706593A1/de
Publication of JPS631668UpublicationCriticalpatent/JPS631668U/ja
