| C | SK | CHEMISTRY; METALLURGY |
| C14 | KL | SKINS; HIDES; PELTS; LEATHER |
| C14B | UKL | MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES, OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES (making leather substitutes B29 , D06N; making articles from leather B68F; mechanical cleaning of hides or the like D06G; artificial leather D06N) |
| C14C | UKL | CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING (dyeing or bleaching of leather or furs D06) |