About: http://webisa.webdatacommons.org/210142830

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	A third aspect of the invention provides a clean water system according to the first or second aspect characterized in that the food chain is a chain established in a pond.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com