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Priority claimed from DE2710595Aexternal-prioritypatent/DE2710595C3/de
Application filed by Akzo NvfiledCriticalAkzo Nv
Priority to AT841378ApriorityCriticalpatent/AT358553B/de
Publication of ATA841378ApublicationCriticalpatent/ATA841378A/de
Application grantedgrantedCritical
Publication of AT358553BpublicationCriticalpatent/AT358553B/de