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Priority claimed from DE19873737617external-prioritypatent/DE3737617A1/en
Priority claimed from DE3837228Aexternal-prioritypatent/DE3837228A1/en
Application filed by Robert Sturtzkopf, Stedtfeld Hans WernerfiledCriticalRobert Sturtzkopf
Application grantedgrantedCritical
Publication of ATE85200T1publicationCriticalpatent/ATE85200T1/en