DIFF Subgroup
E01C 19/522 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) > Apparatus for laying individual preformed surfacing elements, e.g. kerbstones