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 GB868623896Aexternal-prioritypatent/GB8623896D0/en
Application filed by Langston Europ LimitedfiledCriticalLangston Europ Limited
Application grantedgrantedCritical
Publication of ATE91460T1publicationCriticalpatent/ATE91460T1/de