首页>
外国专利>
Applying a surface finish to a metal surface, especially in the food industry, comprises cleaning the surface with at least two cleaning products having different pH values and applying a protective product
Applying a surface finish to a metal surface, especially in the food industry, comprises cleaning the surface with at least two cleaning products having different pH values and applying a protective product
Applying a surface finish to a metal surface comprises cleaning the surface with at least two cleaning products having different pH values, distributing a protective product over the surface in excess, removing the excess, and exposing the surface to a gas atmosphere.
展开▼