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[Subject: Generalities]
Translated in 12 languages
[Subject: Aeronautics]
- grosso pallone aerostatico pilotabile
Translated by: TZUNG-HSIEN CHEN
Translated in 9 languages
- Che si può dirigere.
Translated in 7 languages
- Aerostato di forma affusolata, munito di organi di propulsione, stabilitа e governo
Translated by: MARIANA PROKOPOVYCH
Translated in 4 languages
Translated in 2 languages