| ReturnTo Theme-Group-Choice | Onelevelup |
(Not Translated)
| 2D023 | Canals, waterways and dams | |
| E02B5/00 -7/18;8/00;8/06-8/08;E02C1/00-5/02 | ||
| 2D023 | Canals, waterways and dams | |
| E02B5/00 -7/18;8/00;8/06-8/08;E02C1/00-5/02 | ||