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Priority claimed from FR7520604Aexternal-prioritypatent/FR2315941A2/en
Priority claimed from AT185876Aexternal-prioritypatent/AT342767B/en
Priority claimed from AT2877Aexternal-prioritypatent/AT349388B/en
Application filed by Rhone Poulenc IndfiledCriticalRhone Poulenc Ind
Publication of ATA287777ApublicationCriticalpatent/ATA287777A/en
Application grantedgrantedCritical
Publication of AT345451BpublicationCriticalpatent/AT345451B/en