OKB Rotor, Kumertau, Russia
Interview with the Chief Designer of the helicopter
Expedition of First Geological Channel
2019
#Helicopter
Негізгі бет Ғылым және технология Helicopter for Geologists and Miners
OKB Rotor, Kumertau, Russia
Interview with the Chief Designer of the helicopter
Expedition of First Geological Channel
2019
#Helicopter
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