PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This invention relates to a detector or monitor for determining an improper phase sequence and/or a phase loss in a three phase system, and more particularly to a monitor of the above type using a minimum number of components and no inductors other than a relay coil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com