<http://webisa.webdatacommons.org/prov/214985680>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/6327742> .
<http://webisa.webdatacommons.org/prov/281611015>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/6327742> .
<http://webisa.webdatacommons.org/6327742>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/6327742>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.fr> .
<http://webisa.webdatacommons.org/6327742>	<http://www.w3.org/ns/prov#value>	"In order to introduce the light beam from the light-transmitting section into the optical system so that the light beam does not pass through the gas, a medium other than the gas may be intervened as described above." .