About: http://webisa.webdatacommons.org/110924778

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	Therefore, the washer and the E-shaped ring or other fixing parts used in the conventional one-way valve can be eliminated, and the process of assembling the one-way valve 5 is simplified.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com