About: http://webisa.webdatacommons.org/214288006

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	This invention is particularly directed to an apparatus for forming extruded tubes or sheaths of highly viscous synthetic material, e.g., polyvinyl chloride, about an interior inner tube or cable.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com