About: http://webisa.webdatacommons.org/272387201

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	That is, this constitution is a part featuring the present invention, which has solved the aforesaid problems of conventional tube connecting apparatus.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com