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Priority claimed from DE19813144884external-prioritypatent/DE3144884A1/de
Priority claimed from DE3208345Aexternal-prioritypatent/DE3208345A1/de
Application filed by Egon GelhardfiledCriticalEgon Gelhard
Priority claimed from EP82110358Aexternal-prioritypatent/EP0079573B1/de
Application grantedgrantedCritical
Publication of ATE26679T1publicationCriticalpatent/ATE26679T1/de