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Priority claimed from CH4036/87Aexternal-prioritypatent/CH673894A5/fr
Priority claimed from FR8714508Aexternal-prioritypatent/FR2622003B1/en
Application filed by Nivarox SafiledCriticalNivarox Sa
Priority claimed from EP88116613Aexternal-prioritypatent/EP0311917B1/en
Application grantedgrantedCritical
Publication of ATE64210T1publicationCriticalpatent/ATE64210T1/en