About: http://webisa.webdatacommons.org/12332429

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	nts in pneumatic control valves, and has particular reference to a pneumatic control valve of a type especially suited for use by a disabled person in operating an artificial arm, hand or other prosthetic device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com