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Application filed by Inst Elektroswarki PatonafiledCriticalInst Elektroswarki Patona
Priority to AT817972ApriorityCriticalpatent/AT328111B/en
Publication of ATA817972ApublicationCriticalpatent/ATA817972A/en
Application grantedgrantedCritical
Publication of AT328111BpublicationCriticalpatent/AT328111B/en