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 Smulders Gerwen B VfiledCriticalSmulders Gerwen B V
Priority claimed from EP19860202333external-prioritypatent/EP0271608B1/en
Application grantedgrantedCritical
Publication of ATE51165T1publicationCriticalpatent/ATE51165T1/en