About: http://webisa.webdatacommons.org/357808968

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	FIG. 1 exemplifies certain particularly preferred embodiments of the invention wherein there is provided a substrate 10 bearing a graded photocatalytic coating 40.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com