PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIELD OF THE INVENTIONThe present invention generally relates to a leveling device, and more particularly to an improved device for leveling objects that rest on a floor or other substantially horizontal, but yet uneven or sloping surface.BACKGROUND OF THE INVENTIONThe need to install and level objects on uneven or sloping floors has presented a long-standing problem, especially for various types
http://www.w3.org/ns/prov#wasQuotedFrom
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