About: http://webisa.webdatacommons.org/447874986

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 a first variation on the invention, provision is made such that the outer partial piston is impacted by a restoring element, for example a compression spring.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com