DIFF Subgroup
A01B 19/06 with tools or tool-frames moved to-and-fro mechanically
Introduced: September 1968
Full Title
Harrows with non-rotating tools > with tools rigidly or elastically attached to a tool-frame > with tools or tool-frames moved to-and-fro mechanically
No child classifications to compare. This is a leaf node in both IPC and CPC.