Anglais ⇄ Russe

United Nations International Seminar on the Development and Applications of Satellite Communication Systems contraintes
astr.	Международный семинар ООН по разработке и применению систем спутниковой связи (Beijing, 1988)

United Nations International Seminar on the Development and Applications of Satellite Communication Systems: 2 phrases, 1 sujets

Astronautique

2