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Priority claimed from FR8315481Aexternal-prioritypatent/FR2552629B1/fr
Priority claimed from FR8412699Aexternal-prioritypatent/FR2568752B2/fr
Application filed by Jean GrajoszexfiledCriticalJean Grajoszex
Priority claimed from EP19840401878external-prioritypatent/EP0140750B1/de
Application grantedgrantedCritical
Publication of ATE33331T1publicationCriticalpatent/ATE33331T1/de