DIFF Subgroup
F04B 49/03 by means of valves
Introduced: January 1995
Full Title
Full titles differ between systems:
IPC:
Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups > Stopping, starting, unloading or idling control > by means of valves
CPC:
Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 > Stopping, starting, unloading or idling control > by means of valves
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1995.
Child Classifications
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