| |
https://en.wikipedia.org/wiki/1940_Deutsche_Lufthansa_Ju_90_crash
|
51029 |
| |
https://en.wikipedia.org/wiki/Osoaviakhim-1
|
51031 |
| |
https://en.wikipedia.org/wiki/Rozière_balloon
|
51033 |
| |
https://hu.wikipedia.org/wiki/Szupermély_fúrás_a_Kola-félszigeten
|
51035 |
| |
https://en.wikipedia.org/wiki/Kola_Superdeep_Borehole
|
51036 |
| |
https://en.wikipedia.org/wiki/IWI_Negev
|
51046 |
| |
https://en.wikipedia.org/wiki/Israel_Military_Industries
|
51048 |
| |
https://en.wikipedia.org/wiki/GT_101
|
51050 |
| |
https://hu.wikipedia.org/wiki/Jak–24
|
51092 |
| |
https://en.wikipedia.org/wiki/Yakovlev_Yak-24
|
51094 |