About: http://webisa.webdatacommons.org/364182158

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	U.S. Pat. No. 3,121,649 describes the use of an insulating blanket formed of fibrous materials such as fiberglass or rockwool.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com