| |
|
Arab inventions
|
131175 |
| |
|
számítógépes grafika - Computer graphics
|
131183 |
| |
|
Scanimate
|
131184 |
| |
|
haditengerészeti tüzérség - Naval artillery
|
131191 |
| |
|
Rangekeeper
|
131192 |
| |
|
Flight computer
|
131244 |
| |
|
Frederick Libby
|
94965 |
| |
|
Spanish engineers
|
131206 |
| |
|
Spanish inventors
|
131207 |
| |
|
Astra-Torres airship
|
131213 |