|
2022
|
Invention
|
System for cleaning rivers and waterways in general.
A system for cleaning rivers and waterways ... |
|
|
Invention
|
System for cleaning rivers and waterways in general. The invention is a system (100) for cleaning... |
|
2020
|
Invention
|
System for the cleaning and removal of oily and floating substances from rivers, channels and str... |
|
|
Invention
|
Improved system for the cleaning of rivers and streams in general. The invention concerns a syste... |
|
2019
|
Invention
|
System for the cleaning of rivers and streams. A system for cleaning rivers and waterways in gene... |