About: http://webisa.webdatacommons.org/230442004

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 advantage of the approach according to the present invention lies in particular in that a backwashing reservoir with the associated backwashing pump can be dispensed with.
http://www.w3.org/ns/prov#wasQuotedFrom	greenpatentblog.com