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Priority claimed from FR7930649Aexternal-prioritypatent/FR2471397A1/fr
Priority claimed from FR8005271Aexternal-prioritypatent/FR2477561A1/fr
Application filed by Rhone-Poulenc Specialites ChimiquesfiledCriticalRhone-Poulenc Specialites Chimiques
Priority claimed from EP80420136Aexternal-prioritypatent/EP0031287B1/de
Application grantedgrantedCritical
Publication of ATE7037T1publicationCriticalpatent/ATE7037T1/de