<http://webisa.webdatacommons.org/374443760>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/104578971>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/374443760> .
<http://webisa.webdatacommons.org/374443760>	<http://www.w3.org/ns/prov#value>	"formed of a soft material such as rubber to preclude the possibility of scratching the discs 16 when they are supported by the base 98." .
<http://webisa.webdatacommons.org/374443760>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .