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 Franz Dr. SagmeisterfiledCriticalFranz Dr. Sagmeister
Priority claimed from EP81890057Aexternal-prioritypatent/EP0038792B1/de
Application grantedgrantedCritical
Publication of ATE4954T1publicationCriticalpatent/ATE4954T1/de