About: http://webisa.webdatacommons.org/138603767

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 reciprocating member is a piston carrying a tilting-disk type check valve positioned in a cylinder.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au