1 ወቅት
1 ክፍል
The Secret of Flight
- አመት: 1959
- ሀገር: United States of America
- ዘውግ: Documentary
- ስቱዲዮ: PBS
- ቁልፍ ቃል: educational, historical documentary
- ዳይሬክተር: Sam Becker
- ተዋንያን: Alexander Lippisch
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