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Application filed by Viktor Petrovich Dovgy, Alexandr Semenovich Tikhomirov, Vladil Vasilievich Maschenko, Alexandr Vasilievich GrigorievfiledCriticalViktor Petrovich Dovgy
Priority to FI844883ApriorityCriticalpatent/FI80643C/fi
Publication of FI844883A0publicationCriticalpatent/FI844883A0/fi
Publication of FI844883LpublicationCriticalpatent/FI844883L/fi
Application grantedgrantedCritical
Publication of FI80643BpublicationCriticalpatent/FI80643B/fi
Publication of FI80643CpublicationCriticalpatent/FI80643C/fi