<http://webisa.webdatacommons.org/65103681>	<http://www.w3.org/ns/prov#value>	"The sheet 11 of the invention, as shown in FIG. 1, is preferably made of a soft material such as nylon treated with a thin film of polyurethane to waterproof it." .
<http://webisa.webdatacommons.org/prov/292780748>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/65103681> .
<http://webisa.webdatacommons.org/65103681>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/65103681>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .