About: http://webisa.webdatacommons.org/91213616

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	In addition, selected areas of the tip surface of the DRT unit include labels or other indicia that further designate the function or instruction associated with the key or push button.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com