 |
| |||
| disk of a screw-down stop valve; lift-type disk; stem-operated lift-type disk | |||
|
Hubventilkorper : 3 do fraz, 1 tematyki |
| Inżynieria mechaniczna | 3 |
|
| |||
| disk of a screw-down stop valve; lift-type disk; stem-operated lift-type disk | |||
|
Hubventilkorper : 3 do fraz, 1 tematyki |
| Inżynieria mechaniczna | 3 |