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Application filed by Vasilij I Bakulin, Vjaceslav D Sepovalov, Michail M Sugurov, Vladimir F Scigorev, Nikolaj V Majstat, Anatolij Ii Golubev, Viktor F SamochvalovfiledCriticalVasilij I Bakulin
Priority to CS86559ApriorityCriticalpatent/CS254150B1/en
Publication of CS55986A1publicationCriticalpatent/CS55986A1/en
Publication of CS254150B1publicationCriticalpatent/CS254150B1/en