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Application filed by Inst Elektroswarki PatonafiledCriticalInst Elektroswarki Patona
Priority to FI258463ApriorityCriticalpatent/FI49917C/fi
Application grantedgrantedCritical
Publication of FI49917BpublicationCriticalpatent/FI49917B/fi
Publication of FI49917CpublicationCriticalpatent/FI49917C/fi