About: http://webisa.webdatacommons.org/382736672

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	In view of the above, the new valve offers important aspects such as security, efficiency and economy, which have not been achieved before by a similar drain device.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com