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Priority claimed from FR8009127Aexternal-prioritypatent/FR2481252B1/fr
Priority claimed from FR8009128Aexternal-prioritypatent/FR2481253B1/fr
Application filed by Rhone-Poulenc Specialites ChimiquesfiledCriticalRhone-Poulenc Specialites Chimiques
Priority claimed from EP81400574Aexternal-prioritypatent/EP0039266B1/de
Application grantedgrantedCritical
Publication of ATE9984T1publicationCriticalpatent/ATE9984T1/de