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Priority claimed from AT932173Aexternal-prioritypatent/AT330760B/en
Application filed by Christiaens Sa AfiledCriticalChristiaens Sa A
Priority to AT192875ApriorityCriticalpatent/AT337679B/en
Publication of ATA192875ApublicationCriticalpatent/ATA192875A/en
Application grantedgrantedCritical
Publication of AT337679BpublicationCriticalpatent/AT337679B/en