About: http://webisa.webdatacommons.org/380383992

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	attempt is made to graphically illustrate more or less typical examples of certain conditions existing in certain-conventional types f case Ventilating system, andvparticularly'to the forms thereof disclosed in Figs. l to 6 inclusive.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk