首页>
外国专利>
A method for the production of cast iron, which completely or partially the graphite in a compact and / or knots, retard or spherical shape, and cast iron alloy is produced in accordance with the process
A method for the production of cast iron, which completely or partially the graphite in a compact and / or knots, retard or spherical shape, and cast iron alloy is produced in accordance with the process