<http://webisa.webdatacommons.org/prov/396589643>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/100921270> .
<http://webisa.webdatacommons.org/100921270>	<http://www.w3.org/ns/prov#value>	"The present invention relates to a device for removing and inserting an ozone filter from and into an electrophotographic apparatus, and more particularly to an improved removing or inserting device that easily removes or inserts a filter holder provided with an ozone filter from and into a frame member of the main body of the electrophotographic apparatus." .
<http://webisa.webdatacommons.org/100921270>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/100921270>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .