About: http://webisa.webdatacommons.org/175236723

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	FIG. 1A is a perspective view, partly in section, of a ventilating device including slits in the movable member made pursuant to the present invention installed over a vent opening and a roof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au