About: http://webisa.webdatacommons.org/313182061

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	The invention is particularly concerned with a method and apparatus for manufacturing ablative and refractory filaments in which hydrocarbon gases are cracked in a vacuum furnace.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com