<http://webisa.webdatacommons.org/prov/492377776>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/35187298> .
<http://webisa.webdatacommons.org/35187298>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/35187298>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .
<http://webisa.webdatacommons.org/35187298>	<http://www.w3.org/ns/prov#value>	"The reference electrode according to claim 1 wherein at least one salt layer in said second film is a silver halide layer and at least one silver halide layer contains a salt other than silver halide." .