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Priority claimed from DE19813103190external-prioritypatent/DE3103190A1/en
Priority claimed from DE19813120095external-prioritypatent/DE3120095C2/en
Application filed by Paul Gutermuth, Heinrich OetjenfiledCriticalPaul Gutermuth
Priority claimed from EP82100651Aexternal-prioritypatent/EP0057454B1/en
Application grantedgrantedCritical
Publication of ATE15394T1publicationCriticalpatent/ATE15394T1/en