<http://webisa.webdatacommons.org/139000129>	<http://www.w3.org/ns/prov#value>	"Optionally an alcohol, such as ethylene glycol or a ketone, such as methylethyl ketone (MEK), methyl isobutyl ketone (MIBK), may also be added to change the etchant concentration of the composition." .
<http://webisa.webdatacommons.org/prov/446845320>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/139000129> .
<http://webisa.webdatacommons.org/139000129>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .
<http://webisa.webdatacommons.org/prov/448179897>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/139000129> .
<http://webisa.webdatacommons.org/139000129>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .