About: http://webisa.webdatacommons.org/117138321

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This invention generally pertains to a device for electrically detecting a liquid level such as water, oil and so on, which is suitably used for an automatic operating apparatus for a pump, or for a liquid level warning device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com