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<http://webisa.webdatacommons.org/prov/21932945>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/276582595> .
<http://webisa.webdatacommons.org/276582595>	<http://www.w3.org/ns/prov#value>	"Though the substrate is formed, e.g. of polycarbonate, resins such as PMMA, glass and the like are also useful." .
<http://webisa.webdatacommons.org/276582595>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .