About: http://webisa.webdatacommons.org/323828152

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. 1 is a longitudinal section of the entire extruder head which in this case is designed to extrude two concentrically interposed tubes,
http://www.w3.org/ns/prov#wasQuotedFrom	google.com