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 Comtech Res UnitfiledCriticalComtech Res Unit
Priority claimed from EP82901728Aexternal-prioritypatent/EP0081519B1/de
Application grantedgrantedCritical
Publication of ATE31121T1publicationCriticalpatent/ATE31121T1/de