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 JP3024986UpriorityCriticalpatent/JPH0439593Y2/ja
Priority to GB8704867Aprioritypatent/GB2187574B/en
Publication of JPS62141782UpublicationCriticalpatent/JPS62141782U/ja
Priority to US07/270,472prioritypatent/US4912690A/en
Priority to GB8906167Aprioritypatent/GB2212632B/en
Priority to SG157/90Aprioritypatent/SG15790G/en
Priority to HK251/90Aprioritypatent/HK25190A/xx
Priority to HK456/90Aprioritypatent/HK45690A/xx
Application grantedgrantedCritical
Publication of JPH0439593Y2publicationCriticalpatent/JPH0439593Y2/ja