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Author: WikiMatrix
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English[en]
Although de Marignac was able to produce tantalum-free niobium on a larger scale by 1866, it was not until the early 20th century that niobium was used in incandescent lamp filaments, the first commercial application.
Basque[eu]
Nahiz eta de Marignac 1866. urterako tantalio gabeko niobioa eskala handian ekoizteko gai baldin bazen ere, XX. mendearen hasierara arte niobioa ez zen komertzialki erabili.