<http://webisa.webdatacommons.org/prov/463932608>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/229078091> .
<http://webisa.webdatacommons.org/229078091>	<http://www.w3.org/ns/prov#value>	"FIG. 4a is a magnified partial cross sectional view of an alternative embodiment of the air filter and change indicator of FIG. 4, with the change indicator located on the second major surface of the air filter;" .
<http://webisa.webdatacommons.org/229078091>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/229078091>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.fr> .