About: http://webisa.webdatacommons.org/393946372

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	rollers and surfaces thereof, e.g. characterized by materials, surface structure, driving means, use of fluid, roller pair construction.
http://www.w3.org/ns/prov#wasQuotedFrom	uspto.gov