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Priority claimed from FR8516592Aexternal-prioritypatent/FR2589925B1/fr
Priority claimed from FR8516593Aexternal-prioritypatent/FR2589927B1/fr
Application filed by Fichet BauchefiledCriticalFichet Bauche
Priority claimed from EP19860402449external-prioritypatent/EP0227505B1/de
Application grantedgrantedCritical
Publication of ATE38870T1publicationCriticalpatent/ATE38870T1/de