GJB 8793.1-2015 Testing method for niobium-coated uranium dioxide microspheres used in submarine nuclear power plants - Part 1: Determination of niobium-coated layer thickness metallographic method (English Version)
2015GJB 8793.1-2015 Testing method for niobium-coated uranium dioxide microspheres used in submarine nuclear power plants - Part 1: Determination of niobium-coated layer thickness metallographic method