About: http://webisa.webdatacommons.org/38060665

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	Thus, by virtue of the invention, said device is an active device, whose vibration-reduction action, generated by the flapping mass, can be adjusted and optimized, thus allowing said vibrations to be effectively reduced.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com