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
Priority claimed from GB878728468Aexternal-prioritypatent/GB8728468D0/en
Application filed by Sontex S AfiledCriticalSontex S A
Application grantedgrantedCritical
Publication of ATE101710T1publicationCriticalpatent/ATE101710T1/en