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Application filed by Magnitogorsk Metall KomfiledCriticalMagnitogorsk Metall Kom
Priority to FI187471ApriorityCriticalpatent/FI50885C/fi
Publication of FI50885BpublicationCriticalpatent/FI50885B/fi
Application grantedgrantedCritical
Publication of FI50885CpublicationCriticalpatent/FI50885C/fi