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 DE19803033975external-prioritypatent/DE3033975C2/de
Priority claimed from DE19803037454external-prioritypatent/DE3037454C1/de
Priority claimed from DE19813121677external-prioritypatent/DE3121677A1/de
Application filed by Karl KrugfiledCriticalKarl Krug
Priority claimed from EP19810105658external-prioritypatent/EP0047379B1/de
Application grantedgrantedCritical
Publication of ATE9214T1publicationCriticalpatent/ATE9214T1/de