About: http://webisa.webdatacommons.org/85711589

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 sealing device of claim 23, wherein the opening is a first opening, and wherein the second region further includes a second opening having a position and shape symmetrical or substantially symmetrical to the first opening.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com