About: http://webisa.webdatacommons.org/16937766

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	In FIG. 2, the number 20 is a uniaxially stretched film of a molded PTFE, which is fed toward the roll 22 by means of the pinch roll 21.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com