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 GB838321917Aexternal-prioritypatent/GB8321917D0/en
Priority claimed from GB838323960Aexternal-prioritypatent/GB8323960D0/en
Application filed by Gmt SafiledCriticalGmt Sa
Priority claimed from EP19840305549external-prioritypatent/EP0140505B1/de
Application grantedgrantedCritical
Publication of ATE41323T1publicationCriticalpatent/ATE41323T1/de