About: http://webisa.webdatacommons.org/390850192

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	e inner side of the upper and/or lower portion of the upstream wall of the duct.The novel features which are considered as characteristic of the invention are set forth in particular in the appended claims.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com