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<http://webisa.webdatacommons.org/prov/291824117>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/409299910> .
<http://webisa.webdatacommons.org/409299910>	<http://www.w3.org/ns/prov#value>	"The invention can be constructed from aluminum, brass or other suitable materials." .
<http://webisa.webdatacommons.org/409299910>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<prlog.org> .