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 filed by Gowrings LimitedfiledCriticalGowrings Limited
Priority claimed from EP81301028Aexternal-prioritypatent/EP0036293B1/en
Application grantedgrantedCritical
Publication of ATE8012T1publicationCriticalpatent/ATE8012T1/en