About: http://webisa.webdatacommons.org/95119773

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 present invention involves a novel process for treating inorganic porous solids such as marble, limestone, granite, travertine and other natural stones which have been damaged due to exposure to atmospheric pollutants.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com