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Priority claimed from DE19792919204external-prioritypatent/DE2919204A1/de
Application filed by Heinz SovillafiledCriticalHeinz Sovilla
Priority claimed from EP80200111Aexternal-prioritypatent/EP0015026B1/de
Application grantedgrantedCritical
Publication of ATE3602T1publicationCriticalpatent/ATE3602T1/de