About: http://webisa.webdatacommons.org/81334781

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	A method according to claim 5, wherein the position of said air vents satisfies a relation: 3m≦l wherein l is the length of one said lateral side, and m is a distance to one said air vent along said left or right lateral sides. 7.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com