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Priority claimed from FR7205299Aexternal-prioritypatent/FR2171956B1/fr
Application filed by Amigues LucienfiledCriticalAmigues Lucien
Publication of ATA196874ApublicationCriticalpatent/ATA196874A/de
Application grantedgrantedCritical
Publication of AT327834BpublicationCriticalpatent/AT327834B/de