About: http://webisa.webdatacommons.org/362219239

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 composition of the present invention may have a hardness ranging from 20 g to 2000 g, such as from 20 g to 900 g, and further such as from 20 g to 600 g.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au