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FR2482127A1
(fr)
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Briquettes de combustible, leur procede de fabrication et leur utilisation
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(fr)
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Procede de preparation d'un materiau carbone a haute teneur en composants aromatiques, analogue au brai
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BE366971A
(https=)
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Kasehagen
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Action of aqueous alkali on a bituminous coal |
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US2234769A
(en)
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Heat treatment of carbonaceous materials
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(en)
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Coal liquefaction by hydrogenation
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FR2652355A1
(fr)
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Procede de solubilisation de substances organiques contenues dans un charbon.
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US2054725A
(en)
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Treatment of carbonaceous material
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RU2843696C1
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Комплексный реагент для флотации угля
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BE363342A
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BE342737A
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SU1581722A1
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Резинова смесь
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BE368260A
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CN1030091A
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热解用褐煤煤砖的制备方法
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Wiȩckowska
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Effect of petroleum residue addition on the carbonization of non-coking coals |
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BE360674A
(https=)
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BE394154A
(https=)
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FR2489358A1
(fr)
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Procede pour la fabrication d'un derive de charbon hautement aromatique analogue a du brai
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