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Priority claimed from DE19823239390external-prioritypatent/DE3239390A1/en
Priority claimed from DE19823239388external-prioritypatent/DE3239388A1/en
Application filed by Nattermann A & CiefiledCriticalNattermann A & Cie
Priority claimed from EP83109927Aexternal-prioritypatent/EP0107120B1/en
Application grantedgrantedCritical
Publication of ATE23164T1publicationCriticalpatent/ATE23164T1/en