About: http://webisa.webdatacommons.org/156330596

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	Accordingly, there was a need in the prior art for a reliable, sanitary, relatively inexpensive device suitable for forming a partial vacuum in bags and containers for freezing and storing put up in the home.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com