Изобретения  Сейсмофонда  фрикци болт для фрикционно-подвижных соединений MAH00011

https://www.youtube.com/watch?v=LtixWt28ooE

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День памяти герое НОВОРОССИИ Музей Новороссии 14 08 2016

https://www.youtube.com/watch?v=E52W6P9QCEg

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