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Priority claimed from FR8510206Aexternal-prioritypatent/FR2584261B1/fr
Priority claimed from FR8515636Aexternal-prioritypatent/FR2588720B2/fr
Application filed by Rene RavauxfiledCriticalRene Ravaux
Priority claimed from EP86904201Aexternal-prioritypatent/EP0229800B1/de
Application grantedgrantedCritical
Publication of ATE61905T1publicationCriticalpatent/ATE61905T1/de