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nichtaromatischer | Kohlenwasserstoff
| Kohlenwasserstoff | |
| gen. | hydrocarbon |
| chem. | carbon hydride |
| energ.ind. | crude oil and natural gas |
| environ. | hydrocarbon |
| forestr. | carbon dioxide |
| Kohlenwasserstoffe | |
| gen. | oil and gas |
| chem. | hydrocarbons |
| nichtaromatischer: 1 phrase in 1 subject |
| Chemistry | 1 |