 |
| |||
| geophone pattern; multiple seismometer pattern; seismometer pattern | |||
| схема группы сейсмоприёмников: 2 phrases in 2 subjects |
| Geophysics | 1 |
| Intelligence and security services | 1 |
|
| |||
| geophone pattern; multiple seismometer pattern; seismometer pattern | |||
| схема группы сейсмоприёмников: 2 phrases in 2 subjects |
| Geophysics | 1 |
| Intelligence and security services | 1 |