<http://webisa.webdatacommons.org/prov/462578921>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/118100219> .
<http://webisa.webdatacommons.org/118100219>	<http://www.w3.org/ns/prov#value>	"The punched out material may then be stripped ofi, as for example by an arrangement as shown in Fig. 18." .
<http://webisa.webdatacommons.org/118100219>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/118100219>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .