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 GB8020531Aexternal-prioritypatent/GB2053718B/en
Application filed by Kingsdown Medical Consultants LimitedfiledCriticalKingsdown Medical Consultants Limited
Priority claimed from EP80302370Aexternal-prioritypatent/EP0023781B1/de
Application grantedgrantedCritical
Publication of ATE6582T1publicationCriticalpatent/ATE6582T1/de