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• Edgetech 니오비움, Niobium 메탈 나노 미크론 초정밀 재료, 원료 Materials 상담 문의 재료코리아 01098059829 allmaterials@naver.com Niobium Nb Niobium, is a chemical element with symbol Nb and atomic number 41. Niobium has physical and chemical properties similar to the element tantalum, and the two are therefore blog.naver.com · 2023.02.07