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Priority claimed from FR8317473Aexternal-prioritypatent/FR2554478B1/fr
Priority claimed from FR8400425Aexternal-prioritypatent/FR2558197A2/fr
Application filed by Rene TredoulatfiledCriticalRene Tredoulat
Priority claimed from EP19840402156external-prioritypatent/EP0142423B1/de
Application grantedgrantedCritical
Publication of ATE61435T1publicationCriticalpatent/ATE61435T1/de