 |
| |||
| coal-based methane (bookworm); coalbed methane (twinkie) | |||
| coal bed methane (Yan) | |||
| угольный метан: 21 phrases in 7 subjects |
| Coal | 1 |
| Energy industry | 2 |
| General | 4 |
| Geology | 1 |
| Oil and gas | 9 |
| Oil and gas technology | 1 |
| Trademark | 3 |
|
| |||
| coal-based methane (bookworm); coalbed methane (twinkie) | |||
| coal bed methane (Yan) | |||
| угольный метан: 21 phrases in 7 subjects |
| Coal | 1 |
| Energy industry | 2 |
| General | 4 |
| Geology | 1 |
| Oil and gas | 9 |
| Oil and gas technology | 1 |
| Trademark | 3 |