About: http://webisa.webdatacommons.org/375257085

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 filtration apparatus as in claim 1, in which the filter means is a semi-permeable membrane capable of separating water and salt by the process known as reverse-osmosis. 10.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com