<http://webisa.webdatacommons.org/336549397>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/158843778>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/336549397> .
<http://webisa.webdatacommons.org/336549397>	<http://www.w3.org/ns/prov#value>	"A system according to claim 10, including an additional column and valve means connected to the first mentioned and additional column for supplying a stream of solution through only one of the columns at a time." .
<http://webisa.webdatacommons.org/336549397>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .