About: http://webisa.webdatacommons.org/85831987

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 relates to a valve, particularly one of the type employed in the transportation of hot fine particulate material such as, for example, the coal dust produced in the direct reduction smelting process of iron ore.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com