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Priority claimed from DE3806784Aexternal-prioritypatent/DE3806784C2/de
Application filed by Enssle HerthafiledCriticalEnssle Hertha
Priority claimed from EP88120021Aexternal-prioritypatent/EP0322588B1/de
Application grantedgrantedCritical
Publication of ATE86367T1publicationCriticalpatent/ATE86367T1/de