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 GB878714033Aexternal-prioritypatent/GB8714033D0/en
Priority claimed from GB878714374Aexternal-prioritypatent/GB8714374D0/en
Application filed by British Tech GroupfiledCriticalBritish Tech Group
Priority claimed from EP88305317Aexternal-prioritypatent/EP0295836B1/de
Application grantedgrantedCritical
Publication of ATE80035T1publicationCriticalpatent/ATE80035T1/de