About: http://webisa.webdatacommons.org/61639459

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 apparatus as defined in claim 1 wherein the member is a piston, the chamber is a cylinder and the variable is an expandable gas which is adapted to be applied to one end of the piston. 6.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com