Showing 1 - 1 results of 1 for search 'Efimov, E. N. (Evgeniĭ Nikolaevich)', query time: 0.11s Refine Results
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    Pravovai︠a︡ okhrana nauchnykh otkrytiĭ v SSSR /
    Pravovai︠a︡ okhrana nauchnykh otkrytiĭ v SSSR /
    Правовая охрана научных открытий в СССР /
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