About: http://webisa.webdatacommons.org/240148298

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	Various types of impactors have been utilized in the prior art, including devices that use cascading elements for obtaining a classification of particles.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com