DIFF Subgroup
G05D 11/02 Controlling ratio of two or more flows of fluid or fluent material
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Control of flow ratio > Controlling ratio of two or more flows of fluid or fluent material
CPC:
Control of flow ratio (control of chemical or physico-chemical variables, e.g. pH-value, G05D21/00; control of humidity G05D22/00; control of temperature by varying the mixing ratio of two fluids having different temperatures G05D23/13; control of viscosity G05D24/00) > Controlling ratio of two or more flows of fluid or fluent material
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
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