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Priority claimed from FR8314789Aexternal-prioritypatent/FR2552146B1/fr
Priority claimed from FR8314790Aexternal-prioritypatent/FR2552147B1/fr
Application filed by Fichet BauchefiledCriticalFichet Bauche
Priority claimed from EP19840401820external-prioritypatent/EP0140740B1/de
Application grantedgrantedCritical
Publication of ATE27981T1publicationCriticalpatent/ATE27981T1/de