<http://webisa.webdatacommons.org/23794788>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/84069931>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/23794788> .
<http://webisa.webdatacommons.org/23794788>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/23794788>	<http://www.w3.org/ns/prov#value>	"A submicron particle filter unit of the Hepa type adapted to be interposed between a source of pressurized gas and a work-processing region to provide an environment therefor free of particles and other contaminants." .