 |
| |||
| fire damp indicator; fire damp detector | |||
| damposcope | |||
| damposcone; firedamp detector; gas detector | |||
| explosive gas indicator | |||
| индикатор гремучего газа: 1 phrase in 1 subject |
| Geology | 1 |
|
| |||
| fire damp indicator; fire damp detector | |||
| damposcope | |||
| damposcone; firedamp detector; gas detector | |||
| explosive gas indicator | |||
| индикатор гремучего газа: 1 phrase in 1 subject |
| Geology | 1 |