About: http://webisa.webdatacommons.org/33904829

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	Accordingly, silk cords pre-impregnated with a corrosive material are superior to pre-impregnated retraction cords made from natural cotton, on the one hand, and man-made fibers such as nylon or polyester, on the other.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com