NIOBIUM ALLOYS
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BTNIOBIUM (METALLURGY)
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BTHEAVY METAL ALLOYS
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UDC669.293.5
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Descriptor GERNIOBLEGIERUNGEN
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Descriptor ENGNIOBIUM ALLOYS
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Descriptor FREALLIAGES DU NIOBIUM
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Variant GERLEGIERUNGEN/NIOB-LEGIERUNGEN
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Variant ENGALLOYS/NIOBIUM ALLOYS
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Variant FRENIOBIUM/ALLIAGES DU NIOBIUM
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NTBINARY NIOBIUM ALLOYS
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NTTERNARY NIOBIUM ALLOYS