Observatory with multiple antenna system

60 Mongolian möngö 1977

Монголія

Airmail

Intercosmos Program 11 Years

Assembly Of A Rocket 16 грн	Launching of Intercosmos 3. 3 грн	Marine Observatory Gagarin. 3 грн	Satellite observation of lunar eclipse.
Observatory with multiple antenna system	Examination of Van Allen Zone magnetosphere	Meteorological earth satellite 41 грн