TASS Dec 25, 2021
According to Rostec CEO Sergey Chemezov the share of composite materials in the MC-21 plane is about 40 which is the record high for planes of this class
TASS Dec 25, 2021
According to Rostec CEO Sergey Chemezov the share of composite materials in the MC-21 plane is about 40 which is the record high for planes of this class