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vaste brandstoffen | |||
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vaste brandstof |
solid fuels : 36 phrases in 11 subjects |
Agriculture | 1 |
Coal | 2 |
Energy industry | 15 |
Environment | 2 |
General | 3 |
Life sciences | 1 |
Natural sciences | 2 |
Patents | 2 |
Research and development | 2 |
Statistics | 2 |
Transport | 4 |