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 GB858519677Aexternal-prioritypatent/GB8519677D0/en
Priority claimed from GB858531372Aexternal-prioritypatent/GB8531372D0/en
Application filed by Albright & WilsonfiledCriticalAlbright & Wilson
Priority claimed from EP86306023Aexternal-prioritypatent/EP0215562B1/de
Application grantedgrantedCritical
Publication of ATE56585T1publicationCriticalpatent/ATE56585T1/de