About: http://webisa.webdatacommons.org/33188493

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	FIGS. 22A and 22B are a perspective view and a fragmentary cross-sectional view for explanation of an improvement in the valve opening.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com