About: http://webisa.webdatacommons.org/74395234

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	FIG. 2 is a further cross-sectional illustration of a prior art pipe tool.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com