<http://webisa.webdatacommons.org/prov/251483973>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/168991816> .
<http://webisa.webdatacommons.org/168991816>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/168991816>	<http://www.w3.org/ns/prov#value>	"FIG. 11A is a plane view showing an optical system of a seventh embodiment according to the present invention;" .
<http://webisa.webdatacommons.org/168991816>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .