About: http://webisa.webdatacommons.org/239312400

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	In another respect, the invention is a combination comprising an external proximity source and a model railroad remote object having wheels for moving along a model railroad track.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com