DIFF Subgroup
E21C 49/02 by excavating
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Obtaining peat; Machines therefor > by excavating
CPC:
Obtaining peat; Machines therefor (treating peat C10F) > by excavating
No child classifications to compare. This is a leaf node in both IPC and CPC.