 |
| |||
| automatic non-return valve; check valve; clack valve; non-return valve | |||
| clapetă antiretur: 3 phrases in 1 subject |
| Mechanic engineering | 3 |
|
| |||
| automatic non-return valve; check valve; clack valve; non-return valve | |||
| clapetă antiretur: 3 phrases in 1 subject |
| Mechanic engineering | 3 |