| |
|
Science and technology by former country
|
127467 |
| |
|
Aili Jõgi (Aili Jürgenson)
|
127690 |
| |
|
Dutch inventions
|
127645 |
| |
|
Arctic exploration vessels
|
127479 |
| |
|
Snowmobile
|
127478 |
| |
|
Racing vehicles
|
127497 |
| |
|
Land transport in Antarctica
|
127481 |
| |
|
Land vehicles with sleeping facilities
|
127482 |
| |
|
Specialized polar vehicles
|
127483 |
| |
|
Individual vehicles
|
127484 |