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Priority claimed from FR8416234Aexternal-prioritypatent/FR2572058B1/fr
Priority claimed from FR8504004Aexternal-prioritypatent/FR2578820B2/fr
Application filed by Francis KuhnfiledCriticalFrancis Kuhn
Priority claimed from EP19850440061external-prioritypatent/EP0179729B1/de
Application grantedgrantedCritical
Publication of ATE44706T1publicationCriticalpatent/ATE44706T1/de