INTERNATIONAL PATENT: SERGEEV, ALEKSANDR NIKOLAEVICH, СЕРГЕЕВ, АЛЕКСАНДР НИКОЛАЕВИЧ FILES APPLICATION FOR "TWO-STROKE OPPOSED-PISTON INTERNAL COMBUSTION ENGINE"

GENEVA, Nov. 11 -- SERGEEV, Aleksandr Nikolaevich (ul. Leningradskaya, d. 43, kv. 125Samarskaya oblast', g. Tol'yatti, 445020), СЕРГЕЕВ, Александр Николаевич (ул. Ленинградская, д. 43, кв. 125Самарская область, г. Тольятти) filed a patent application (PCT/RU2025/050098) for "TWO-STROKE OPPOSED-PISTON INTERNAL COMBUSTION ENGINE" on Apr...