Niobium inotariswa zvinhu zvinonyanya kushandiswa muoptical coating, pamusoro peinjiniya zvinhu coating, uye maindasitiri ekupfekedza akadai sekupisa kupisa, corrosion resistance, uye high conductivity. Mumunda weoptical coating, inonyanya kuiswa mune ophthalmic optical zvigadzirwa, lenzi, chaiyo o...
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