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Filing date
Publication date
Application filed by Siemens AgfiledCriticalSiemens Ag
Priority to AT205568ApriorityCriticalpatent/AT289900B/de
Priority to DE19681805690prioritypatent/DE1805690A1/de
Priority to BG011543Aprioritypatent/BG17354A3/xx
Priority to FR6903849Aprioritypatent/FR2002972A1/fr
Priority to SU1304675Aprioritypatent/SU362554A3/ru
Priority to NL6902679Aprioritypatent/NL167825C/xx
Priority to CH302269Aprioritypatent/CH488360A/de
Priority to BE729144Dprioritypatent/BE729144A/xx
Priority to GB1072269Aprioritypatent/GB1210338A/en
Application grantedgrantedCritical
Publication of AT289900BpublicationCriticalpatent/AT289900B/de