DIFF Subgroup
F15C 1/02 Details
Introduced: September 1968
Full Title
Circuit elements having no moving parts > Details
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- F15C 1/04 Means for controlling fluid streams to fluid devices, e.g. by electric signals IPC+CPC Available in IPC and CPC