About: http://webisa.webdatacommons.org/162839903

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	A platen or roller 80 (FIGS. 1, 3) of material having a high coefficient of friction, for example rubber, is rigid with a shaft 81 rotatable in the container 10.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com