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Priority claimed from BE2/59850Aexternal-prioritypatent/BE894523A/nl
Application filed by Electro NitefiledCriticalElectro Nite
Priority claimed from EP83201342Aexternal-prioritypatent/EP0107219B1/de
Application grantedgrantedCritical
Publication of ATE24612T1publicationCriticalpatent/ATE24612T1/de