<http://webisa.webdatacommons.org/prov/38971190>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/20604414> .
<http://webisa.webdatacommons.org/20604414>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/20604414>	<http://www.w3.org/ns/prov#value>	"Patent US5658546 - Denitration catalyst - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsThere is provided a denitration catalyst excellent in denitration activity and durability in a high temperature region, for catalytically reducing NOx in an exhaust gas using a reducing agent such as ammonia." .
<http://webisa.webdatacommons.org/20604414>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .