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Priority claimed from FR7615601Aexternal-prioritypatent/FR2358890A1/fr
Application filed by Science Union & CiefiledCriticalScience Union & Cie
Priority to AT420578ApriorityCriticalpatent/AT364838B/de
Publication of ATA420578ApublicationCriticalpatent/ATA420578A/de
Application grantedgrantedCritical
Publication of AT364838BpublicationCriticalpatent/AT364838B/de