Select a description to see subdivisions
| Code |
Description |
Items |
| 620 |
Engineering & allied operations |
0 |
| 621 |
Applied physics |
0 |
| 622 |
Mining & related operations |
0 |
| 623 |
Military & nautical engineering |
0 |
| 624 |
Civil engineering |
0 |
| 625 |
Engineering of railroads, roads |
0 |
| 627 |
Hydraulic engineering |
0 |
| 628 |
Sanitary & municipal engineering
|
2 |
| 629 |
Other branches of engineering
|
1 |
