DIFF Subgroup
G06G 3/04 for performing multiplications or divisions, e.g. variable-ratio gearing
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Devices in which the computing operation is performed mechanically > for performing multiplications or divisions, e.g. variable-ratio gearing
CPC:
Devices in which the computing operation is performed mechanically (G06G1/00 takes precedence) > for performing multiplications or divisions, e.g. variable-ratio gearing
No child classifications to compare. This is a leaf node in both IPC and CPC.