About: http://webisa.webdatacommons.org/142460189

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	Guide surfaces, which define the linear paths of their associated pistons, may take forms other than cylindrical.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com