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Application filed by Berkhin I M, Mikhail Petrovich Gorlach, Julian Vitalievich Kuzmenko, Ivan Nikolaevich Galakhov, Samuil Getselevich FerdmanfiledCriticalBerkhin I M
Priority to FI850216ApriorityCriticalpatent/FI74094C/fi
Publication of FI850216A0publicationCriticalpatent/FI850216A0/fi
Publication of FI850216LpublicationCriticalpatent/FI850216L/fi
Publication of FI74094BpublicationCriticalpatent/FI74094B/fi
Application grantedgrantedCritical
Publication of FI74094CpublicationCriticalpatent/FI74094C/fi