About: http://webisa.webdatacommons.org/216550398

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 balloon 20 is formed of a film material, e.g., of polyurethane, silicone or other polymeric material, e.g., synthetic elastomer, and is fabricated in any suitable manner, as for example as variously described in the Shah et al.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com