About: http://webisa.webdatacommons.org/120734920

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 addition, for instance, the feeler springs can be made of different materials such as various metals, plastics, fiberglass or other similar materials.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com