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Priority claimed from AT932173Aexternal-prioritypatent/AT330760B/de
Application filed by Christiaens Sa AfiledCriticalChristiaens Sa A
Priority to AT348576ApriorityCriticalpatent/AT342039B/de
Publication of ATA348576ApublicationCriticalpatent/ATA348576A/de
Application grantedgrantedCritical
Publication of AT342039BpublicationCriticalpatent/AT342039B/de