About: http://webisa.webdatacommons.org/137389971

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	Further other glass compositions which may be used in conjunction with the required glass(es) for carrying out the present invention include those conventional glasses that are well known in the art, including sources thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au