DIFF Subgroup
F01L 25/08 by electric or magnetic means
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Drive, or adjustment during operation, of distribution or expansion valves by non-mechanical means > by electric or magnetic means
CPC:
Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means > by electric or magnetic means
No child classifications to compare. This is a leaf node in both IPC and CPC.