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RU2242520C2
(ru)
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Способ запуска процесса прямой плавки
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CA2874706C
(fr)
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Installation et procede de fusion de verre
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FI69105C
(fi)
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Saett att ur metalloxidhaltiga material utvinna ingaoende laettflyktiga metaller eller koncentrat av dessa
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FR2488903A1
(fr)
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Procede de production de gaz dans un reacteur a bain de fer
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FR2524905A1
(fr)
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Procede de recuperation de metaux dans des laitiers liquides
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BE479567A
(https=)
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BRPI0710809A2
(pt)
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processo e usina de fundição direta para produção do metal fundido proveniente de um material de alimentação metalìfero
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US1961424A
(en)
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Zinc refining process
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FR2528553A1
(fr)
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Procede d'utilisation d'un generateur de plasma pour augmenter la temperature du vent dans un four a cuve
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US1319589A
(en)
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Process of extracting iron from its ore |
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RU2006114771A
(ru)
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Способ и устройство для получения расплавленного железа
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US587068A
(en)
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Process of and apparatus for roasting ores |
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US1243311A
(en)
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Liquid-fuel-combustion apparatus.
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FR2528718A1
(fr)
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Procede d'epuration d'un flux gazeux contenant de la vapeur de zinc
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US3463473A
(en)
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Installation for extracting zinc from fumes rich in zinc vapour
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US1264509A
(en)
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Concentrating apparatus.
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FR2572383A1
(fr)
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Procede pour la preparation de la chaux-azotee, ou cyanamide calcique
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US1250261A
(en)
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Method of and apparatus for recovering volatile metallic values, in the form of metallic oxids, from molten slag.
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US791928A
(en)
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Process of treating ferruginous ore for the manufacture of iron and steel therefrom.
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SU1271907A1
(ru)
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Способ получени алюмини
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US393832A
(en)
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Process of manufacturing zinc |
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BE508600A
(https=)
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FR2936257A1
(fr)
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Procede de fusion d'une charge dans un four a cuve a reinjection de gaz de haut fourneau et four a cuve
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US1009196A
(en)
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Process of concentrating acids.
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US960988A
(en)
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Metallurgical apparatus.
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