About: http://webisa.webdatacommons.org/396368076

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	A diaphragm 58 from a material such as quartz is adhesively bonded to the juxtaposed end faces of the cylinders 50, 52.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com