DIFF Subgroup
E01C 7/04 of broken stones, gravel, or like materials
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Coherent pavings made > made of road-metal without binders > of broken stones, gravel, or like materials
CPC:
Coherent pavings made in situ (specially adapted for playgrounds or sports grounds E01C13/06; for footpaths, sidewalks or cycle tracks E01C15/00) > made of road-metal without binders > of broken stones, gravel, or like materials
No child classifications to compare. This is a leaf node in both IPC and CPC.