40 Surface treatment of ferrous alloy or other metallic parts and tools and dies, for obtaining one or more carbide layers and improving their resistance against wear, adhesive wear, seizure, adhesion, sticking, erosion, abrasion and/or corrosion; treatment of ferrous alloy or other metallic parts and tools and dies, for obtaining one or more carbide layers, comprising - surface treatment, thermochemical diffusion treatment, hardening, salt bath treatment, oil treatment; information services in connection with the foregoing treatments
Trademark: 75733490
