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 DE3920871Aexternal-prioritypatent/DE3920871A1/de
Application filed by Siemens AgfiledCriticalSiemens Ag
Priority claimed from PCT/DE1990/000036external-prioritypatent/WO1990009024A1/de
Application grantedgrantedCritical
Publication of ATE89096T1publicationCriticalpatent/ATE89096T1/de