<http://webisa.webdatacommons.org/prov/241999192>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/451315237> .
<http://webisa.webdatacommons.org/451315237>	<http://www.w3.org/ns/prov#value>	"In accordance with a particularly preferred feature of the invention, the change in width of the opening along the length of the protective covering 10 is approximately one-half centimeter." .
<http://webisa.webdatacommons.org/451315237>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/451315237>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .