About: http://webisa.webdatacommons.org/323357085

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	BACKGROUND OF THE INVENTION This invention relates to the treatment of molten metals, and more particularly to procedures and apparatus for filtering molten metals such as aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com