About: http://webisa.webdatacommons.org/53206896

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	by controlling opening and closing of engine intake and exhaust valves, including controlling phasing and lift of opening and closing thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com