 |
| |||
| natural gas deposit; natural gas pool; natural gas reservoir; pay horizon; producing formation | |||
| giacimento di gas naturale: 3 phrases in 2 subjects |
| Coal | 1 |
| Materials science | 2 |
|
| |||
| natural gas deposit; natural gas pool; natural gas reservoir; pay horizon; producing formation | |||
| giacimento di gas naturale: 3 phrases in 2 subjects |
| Coal | 1 |
| Materials science | 2 |