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 DE3805200Aexternal-prioritypatent/DE3805200C1/de
Priority claimed from DE3811962Aexternal-prioritypatent/DE3811962C1/de
Application filed by Ieg Ind Engineering GmbhfiledCriticalIeg Ind Engineering Gmbh
Priority claimed from EP89102077Aexternal-prioritypatent/EP0328993B1/de
Application grantedgrantedCritical
Publication of ATE79919T1publicationCriticalpatent/ATE79919T1/de