Compositions: coating or plastic
Coating or plastic compositions
Proteinaceous material containing
Inventor
active
Ferrochromium slag for uses requiring refractoriness and mechani
Gas-blast pipe for feeding reaction agents into metallurgical me
Method of refining of melts by means of a pulverous solid materi
Process for exploitation of low grade oxidic and iron-bearing co
Smelting furnace and method for feeding material to be processed
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