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Priority claimed from FR8411173Aexternal-prioritypatent/FR2567553B1/fr
Priority claimed from FR8416811Aexternal-prioritypatent/FR2572747B1/fr
Application filed by Marcel MatierefiledCriticalMarcel Matiere
Priority claimed from EP85903307Aexternal-prioritypatent/EP0188487B1/de
Application grantedgrantedCritical
Publication of ATE39986T1publicationCriticalpatent/ATE39986T1/de