About: http://webisa.webdatacommons.org/263171342

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	With this embodiment, the preferred material for the upper calendering roll 230 is a metal such as steel and the preferred material for the lower calendering roll 232 is a composite fiber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es