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Priority claimed from FR8003073Aexternal-prioritypatent/FR2475424A1/fr
Priority claimed from FR8017400Aexternal-prioritypatent/FR2488156B2/fr
Application filed by Supermarket SystemfiledCriticalSupermarket System
Priority claimed from EP81400150Aexternal-prioritypatent/EP0034088B1/de
Application grantedgrantedCritical
Publication of ATE19007T1publicationCriticalpatent/ATE19007T1/de