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 JP5808789UpriorityCriticalpatent/JPH0746697Y2/ja
Priority to US07/526,653prioritypatent/US5018303A/en
Priority to GB9011386Aprioritypatent/GB2237060B/en
Publication of JPH02149084UpublicationCriticalpatent/JPH02149084U/ja
Application grantedgrantedCritical
Publication of JPH0746697Y2publicationCriticalpatent/JPH0746697Y2/ja