 |
Gewinnung von Erdöl
| und
| Erdgas
| Gewinnung von Erdöl | |
| stat. coal. | extraction of petroleum |
| UND | |
| comp. | AND |
| comp., MS | AND |
| meas.inst. | AND |
| und | |
| gen. | and |
| astr. | plus |
| mining. | well bore |
| Erdgas | |
| gen. | natural gas; non-associated gas |
| |||
| extraction of petroleum | |||
| Gewinnung von Erdöl: 1 phrase in 1 subject |
| Coal | 1 |