About: http://webisa.webdatacommons.org/444117472

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	The invention resides in the provision of a pressure applying roll for use in calenders or the like to define with a parallel complementary roll a nip for the passage of a web of paper, textile or other material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com