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Priority claimed from BE2/60187Aexternal-prioritypatent/BE897585R/nl
Priority claimed from BE4/4423Aexternal-prioritypatent/BE894218A/nl
Application filed by Polymetal PvbafiledCriticalPolymetal Pvba
Priority claimed from EP19830870088external-prioritypatent/EP0103559B1/de
Application grantedgrantedCritical
Publication of ATE27481T1publicationCriticalpatent/ATE27481T1/de