About: http://webisa.webdatacommons.org/217650549

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	As used herein, the term membrane is understood to include paper, cardboard, cloth, and other commonly used membrane materials used in producing a device 10.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com