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29 сент 2016 г. - 1st 4-passenger hydrogen aircraft flight (Hy4)
Описание:
http://hy4.org/zero-emission-air-transport-first-flight-of-four-seat-passenger-aircraft-hy4
Добавлено на ленту времени:
20 сен 2018
0
0
343
PhD intro thesis
Дата:
29 сент 2016 г.
Сейчас
~ 7 гг и 6 мес назад