About: http://webisa.webdatacommons.org/447380767

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	Other patents that combine an inorganic salt containing fluorine, c.g. cryolite, and a salt such as ammonium chloride include U.S. Pat. Nos. 2,949,351 and 2,952,529.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au