STEEL (BUILDING MATERIALS)
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BTMETALLIC BUILDING MATERIALS (BUILDING MATERIALS)
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UDC691.714
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Descriptor GERSTAHL (BAUSTOFFE)
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Descriptor ENGSTEEL (BUILDING MATERIALS)
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Descriptor FREACIER (MATÉRIAUX DE CONSTRUCTION)
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RTSTRUCTURAL STEELS + CONSTRUCTIONAL STEELS (IRON METALLURGY)