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
Application filed by Nottingham County CouncilfiledCriticalNottingham County Council
Priority claimed from EP19830302330external-prioritypatent/EP0093008B1/de
Application grantedgrantedCritical
Publication of ATE15513T1publicationCriticalpatent/ATE15513T1/de