About: http://webisa.webdatacommons.org/173832524

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 vibration dampers of the invention can be made without acid; they may be used advantageously where corrosion is a potential problem, such as on bare copper surfaces.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au