CPC Subgroup
C14B 1/48 Roughening (by sanding C14B1/46)
Full Title
Manufacture of leather; Machines or devices therefor > Mechanical treatment of leather surfaces > Roughening (by sanding C14B1/46)
C14B 1/48 Manufacture of leather; Machines or devices therefor > Mechanical treatment of leather surfaces > Roughening (by sanding C14B1/46)