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 JP1987024282UpriorityCriticalpatent/JPS63133321U/ja
Priority to US07/157,726prioritypatent/US4892569A/en
Priority to KR1019880001850Aprioritypatent/KR900008730B1/ko
Priority to GB8804117Aprioritypatent/GB2201356B/en
Publication of JPS63133321UpublicationCriticalpatent/JPS63133321U/ja
