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 JP7937885UpriorityCriticalpatent/JPH0224071Y2/ja
Priority to GB08523067Aprioritypatent/GB2167543B/en
Priority to KR1019850007128Aprioritypatent/KR910008696B1/ko
Priority to CN85107580Aprioritypatent/CN1003157B/zh
Priority to US06/792,606prioritypatent/US4644758A/en
Publication of JPS61197485UpublicationCriticalpatent/JPS61197485U/ja
Application grantedgrantedCritical
Publication of JPH0224071Y2publicationCriticalpatent/JPH0224071Y2/ja
