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Application filed by Sibirsk Nii EnergetikifiledCriticalSibirsk Nii Energetiki
Priority to FI63874ApriorityCriticalpatent/FI57327C/fi
Publication of FI63874ApublicationCriticalpatent/FI63874A/fi
Publication of FI57327BpublicationCriticalpatent/FI57327B/fi
Application grantedgrantedCritical
Publication of FI57327CpublicationCriticalpatent/FI57327C/fi