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
Application filed by Siemens AgfiledCriticalSiemens Ag
Priority claimed from EP89912404Aexternal-prioritypatent/EP0501951B1/de
Application grantedgrantedCritical
Publication of ATE95946T1publicationCriticalpatent/ATE95946T1/de