About: http://webisa.webdatacommons.org/194025338

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 schematic section view showing a first embodiment of apparatus for providing a window or aperture in accordance with the present invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es