REDUCTION (METALLURGY)
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BTSMELTING (METALLURGY)
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UDC669.094.1/.2
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Descriptor GERREDUKTION (METALLURGIE)
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Descriptor ENGREDUCTION (METALLURGY)
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Descriptor FRERÉDUCTION (MÉTALLURGIE)
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NTIRON ORE REDUCTION WITH GASES (IRON METALLURGY)
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RTREDUCTION (CHEMICAL REACTIONS)