DIFF Subgroup
F15B 13/16 Special measures for feedback
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of servomotor systems > Special measures for feedback
CPC:
Details of servomotor systems ( F15B15/00 take precedence) > Special measures for feedback
No child classifications to compare. This is a leaf node in both IPC and CPC.