首页>
外国专利>
1. It is manufactured in electric furnace, 'Siemens', 'Chrysanthemum' or 'Bessemer converter', zirconium steel and zirconium nickel for various manufacturing processes, mainly for protection plate manufacturing.
1. It is manufactured in electric furnace, 'Siemens', 'Chrysanthemum' or 'Bessemer converter', zirconium steel and zirconium nickel for various manufacturing processes, mainly for protection plate manufacturing.