CPC Subgroup
H01H 35/18 Switches operated by change of liquid level or of liquid density, e.g. float switch (by magnet carried on a float H01H36/02)
Full Title
Switches operated by change of a physical condition (operated by change of magnetic or electric field H01H36/00; thermally-actuated switches H01H37/00) > Switches operated by change of liquid level or of liquid density, e.g. float switch (by magnet carried on a float H01H36/02)
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