About: http://webisa.webdatacommons.org/60975080

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	PVB can also be manufactured according to any method known to one skilled in the art such as disclosed in U.S. Pat. No. 3,153,009, the entire disclosure of which is incorporated herein by reference.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es