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Priority claimed from DE19823209169external-prioritypatent/DE3209169A1/de
Priority claimed from DE19823226572external-prioritypatent/DE3226572A1/de
Application filed by Theodor PreussnerfiledCriticalTheodor Preussner
Priority claimed from EP83102286Aexternal-prioritypatent/EP0088993B1/de
Application grantedgrantedCritical
Publication of ATE13563T1publicationCriticalpatent/ATE13563T1/de