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 DE19863633729external-prioritypatent/DE3633729A1/de
Priority claimed from DE8700563Uexternal-prioritypatent/DE8700563U1/de
Application filed by Tobias GraufiledCriticalTobias Grau
Priority claimed from EP87906420Aexternal-prioritypatent/EP0285627B1/de
Application grantedgrantedCritical
Publication of ATE56805T1publicationCriticalpatent/ATE56805T1/de