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Priority claimed from FR8300737Aexternal-prioritypatent/FR2539293A1/en
Priority claimed from FR8310533Aexternal-prioritypatent/FR2547716B2/en
Application filed by Maurice GrangerfiledCriticalMaurice Granger
Priority claimed from EP84420004Aexternal-prioritypatent/EP0116508B1/en
Application grantedgrantedCritical
Publication of ATE27766T1publicationCriticalpatent/ATE27766T1/en