| |
|
Artillery operation
|
131189 |
| |
|
Artillery components
|
131190 |
| |
|
Rangekeeper
|
131192 |
| |
|
Defunct computer companies of the United States
|
131199 |
| |
|
Librascope
|
131204 |
| |
|
Spanish engineers
|
131206 |
| |
|
Polish computer scientists
|
131257 |
| |
|
Elliott White Springs
|
94967 |
| |
|
Niagara-vízesés - Niagara Falls
|
131217 |
| |
|
Whirlpool Aero Car
|
131218 |