DIFF Subgroup
E01C 19/4833 Full Title
Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving (surface stabilisation E01C21/00; apparatus specially adapted for reconditioning or repairing paving E01C23/00) > for laying-down the materials and consolidating them, or finishing the surface
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.