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 Greef Magdel Nicolene De, Smit Ian DfiledCriticalGreef Magdel Nicolene De
Priority claimed from EP19830630004external-prioritypatent/EP0085639B1/de
Application grantedgrantedCritical
Publication of ATE20312T1publicationCriticalpatent/ATE20312T1/de