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Priority claimed from FR8509758Aexternal-prioritypatent/FR2583729B1/fr
Priority claimed from FR8513649Aexternal-prioritypatent/FR2587013B2/fr
Application filed by Maurice GrangerfiledCriticalMaurice Granger
Application grantedgrantedCritical
Publication of ATE47581T1publicationCriticalpatent/ATE47581T1/de