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Priority claimed from DE19853518019external-prioritypatent/DE3518019A1/de
Application filed by Erwin WehfiledCriticalErwin Weh
Priority claimed from EP19860106530external-prioritypatent/EP0202592B1/de
Application grantedgrantedCritical
Publication of ATE46391T1publicationCriticalpatent/ATE46391T1/de