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Filing date
Publication date
Priority claimed from AT800073Aexternal-prioritypatent/AT330163B/de
Application filed by Christiaens Sa AfiledCriticalChristiaens Sa A
Priority to AT512275ApriorityCriticalpatent/AT336598B/de
Publication of ATA512275ApublicationCriticalpatent/ATA512275A/de
Application grantedgrantedCritical
Publication of AT336598BpublicationCriticalpatent/AT336598B/de