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Priority claimed from FR7210820Aexternal-prioritypatent/FR2177513A1/fr
Priority claimed from FR7243189Aexternal-prioritypatent/FR2208951A2/fr
Priority claimed from FI958/73Aexternal-prioritypatent/FI56547C/fi
Application filed by Rhone Poulenc SafiledCriticalRhone Poulenc Sa
Publication of FI781079ApublicationCriticalpatent/FI781079A/fi
Application grantedgrantedCritical
Publication of FI56548BpublicationCriticalpatent/FI56548B/fi
Publication of FI56548CpublicationCriticalpatent/FI56548C/fi