<http://webisa.webdatacommons.org/14925041>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/14925041>	<http://www.w3.org/ns/prov#value>	"An acid or other etching chemical is applied to etch away those exposed areas of metal sheet 102 to form openings 104 therethrough in the pattern of openings 104." .
<http://webisa.webdatacommons.org/prov/455762477>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/14925041> .
<http://webisa.webdatacommons.org/14925041>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .