 |
| |||
| direct-acting pressure reducing valve (AD Alexander Demidov) | |||
| direct pressure regulator | |||
| BGR (blanket gas regulator Major Tom); blanket gas regulator (Groth Corporation terminology. BGR Major Tom) | |||
|
| |||
| direct-acting pressure reducing valve (AD Alexander Demidov) | |||
| direct pressure regulator | |||
| BGR (blanket gas regulator Major Tom); blanket gas regulator (Groth Corporation terminology. BGR Major Tom) | |||