79179733
Nov 6, 2015
Dec 27, 2016
Chemicals used in industry, chemical preparations for the hardening and soldering of metals, chemical reagents used in the manufacture of surface treatments
ChemicalsTreatment of materials, particularly physical, chemical and electrolytic treatment of metal, treatment of metal surfaces; chromium plating, nickel plating, metal polishing, plating by electrolysis
Treatment of Materials