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Priority claimed from DE3426472Aexternal-prioritypatent/DE3426472A1/en
Priority claimed from DE19843446436external-prioritypatent/DE3446436A1/en
Application filed by Hartmann & Braun AgfiledCriticalHartmann & Braun Ag
Priority claimed from EP85106886Aexternal-prioritypatent/EP0168611B1/en
Application grantedgrantedCritical
Publication of ATE51081T1publicationCriticalpatent/ATE51081T1/en