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patent fuel | |
gen. | briketter |
energ.ind. industr. | stenkulsbriket |
stat. coal. chem. | formbrændsel |
AND | |
comp., MS | OG |
brown coal / peat briquettes | |
stat. coal. | brunkulsbriketter |
| |||
briketter | |||
stenkulsbriket | |||
formbrændsel | |||
| |||
stenkulsbriketter; formbrændsel |
patent fuel and brown coal/peat briquettes : 6 phrases in 4 subjects |
Coal | 1 |
Energy industry | 1 |
General | 1 |
Statistics | 3 |