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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP1984186708UpriorityCriticalpatent/JPH0442703Y2/ja
Priority to GB08530363Aprioritypatent/GB2168137B/en
Priority to KR1019850009300Aprioritypatent/KR910008695B1/ko
Priority to CN85109092Aprioritypatent/CN1007206B/zh
Priority to US06/807,844prioritypatent/US4691527A/en
Publication of JPS61101374UpublicationCriticalpatent/JPS61101374U/ja
Application grantedgrantedCritical
Publication of JPH0442703Y2publicationCriticalpatent/JPH0442703Y2/ja