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 DE19863624689external-prioritypatent/DE3624689A1/en
Application filed by Dieter KellerfiledCriticalDieter Keller
Application grantedgrantedCritical
Publication of ATE61717T1publicationCriticalpatent/ATE61717T1/en