|
2024
|
G/S
|
Flues and installations for the discharge of exhaust gases; burners, boilers and heating applianc... |
|
|
G/S
|
Flues and installations for the discharge of exhaust gases;
burners, boilers and heating applian... |
|
|
G/S
|
Flues for heating boilers; oil and gas burners for industrial and domestic use; boilers and heati... |
|
2022
|
Invention
|
Non-return valve for a flow channel through which a flow of air flows.
A non-return valve for a ... |
|
|
Invention
|
Non-return valve for a flow channel through which a flow of air flows. The invention relates to a... |
|
2018
|
G/S
|
Building and construction materials and elements of metal; Metal building materials, Namely profi... |
