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Application filed by Alexandr Alexandrov Alexandrov, Zinovy Abramovich Lyakhovetsky, Piljugin Viktor A, Platonov Valentin AfiledCriticalAlexandr Alexandrov Alexandrov
Priority to FI843859ApriorityCriticalpatent/FI83299C/fi
Publication of FI843859A0publicationCriticalpatent/FI843859A0/fi
Publication of FI843859LpublicationCriticalpatent/FI843859L/fi
Application grantedgrantedCritical
Publication of FI83299BpublicationCriticalpatent/FI83299B/fi
Publication of FI83299CpublicationCriticalpatent/FI83299C/fi