Cl. 1: Chemical products used in the manufacture of chromium metal, chromium alloys and chromium corundum tempering and soldering preparations steel finishing preparations chrome alum chromium oxide chrome salts chromic acid chromic salts chemical products for facilitating the alloying of metals metal hardening products metal tempering products metal annealing products · Cl. 6: Common metals and their alloys building materials of metal transportable buildings of metal chromium chromium alloys chrome ores
D. C. (pessoa física)
Especificação: Cl. 1: Chemical products used in the manufacture of chromium metal, chromium alloys and chromium corundum tempering and soldering preparations steel finishing preparations chrome alum chromium oxide chrome salts chromic acid chromic salts chemical products for facilitating the alloying of metals metal hardening products metal tempering products metal annealing products · Cl. 6: Common metals and their alloys building materials of metal transportable buildings of metal chromium chromium alloys chrome ores
