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 DE19833307323external-prioritypatent/DE3307323A1/de
Application filed by Retsch Kurt Gmbh & Co KgfiledCriticalRetsch Kurt Gmbh & Co Kg
Application grantedgrantedCritical
Publication of ATE27923T1publicationCriticalpatent/ATE27923T1/de