 |
| |||
| butterfly valve; double-quadrant valve; wing valve; dual plate valve (Bauirjan) | |||
| двухстворчатый клапан: 2 phrases in 2 subjects |
| Caspian | 1 |
| Electronics | 1 |
|
| |||
| butterfly valve; double-quadrant valve; wing valve; dual plate valve (Bauirjan) | |||
| двухстворчатый клапан: 2 phrases in 2 subjects |
| Caspian | 1 |
| Electronics | 1 |