- columbium wire
- ниобиевая проволока
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta … Wikipedia
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Mineral industry of Mozambique — The Mineral industry of Mozambique plays a significant role in the world’s production of aluminium, beryllium, and tantalum.[1] In 2006, Mozambique s share of the world s tantalum mine output amounted to 6%; beryllium, 5%; and aluminium, 2%.[1]… … Wikipedia
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