hydrocracking
| of
| coal
| hydrocracking | |
| environ. energ.ind. engl. | hydrocracking |
| of... | |
| gen. | en date du.. |
| coal | |
| gen. | charbon minéral |
| chem. | charbon de terre |
| econ. | charbon |
| environ. | charbon |
| tech. | houille |
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| hydrocracking m | |||
| hydrocraquage m | |||
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hydrocracking : 5 phrases in 3 subjects |
| Energy industry | 2 |
| General | 1 |
| Oil / petroleum | 2 |