DIFF Subgroup
F01L 25/02 by fluid 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 fluid means
CPC:
Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means > by fluid means
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F01L 25/04 by working-fluid of machine or engine, e.g. free-piston machine IPC+CPC Available in IPC and CPC