1. The invention patent of Russian Federation No. 2419850. May 20, 2011. V.Yu. Timofeev, V.V. Aksenov, A.B. Efremenkov, M.Yu. Blashchuk.
2. The invention patent of Russian Federation No. 2552539. May 07, 2015. V.Yu. Timofeev, V.V. Aksenov, A.B. Efremenkov, A.V. Slyadnev, A.A. Khoreshok, B.G. Masalitin, V.Yu. Beglyakov.
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