der Azetylenruss – Newsexchanger

https://newsexchanger.wordpress.com/2020/03/15/der-azetylenruss-3/

n ацетиленовая сажа (m)

from together

https://polygraphy_de_ru.enacademic.com/5177/der_Azetylenruss

source

https://newsexchanger.wordpress.com/2020/03/15/der-azetylenruss-2/