About: http://webisa.webdatacommons.org/146978916

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	The first conductive layer 11 also includes exposed switch pads 17 for external switch assemblies (not shown) which might be included in a keyboard or other device incorporating the printed circuit board.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com