<http://webisa.webdatacommons.org/prov/409173664>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/157466797> .
<http://webisa.webdatacommons.org/157466797>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/157466797>	<http://www.w3.org/ns/prov#value>	"A thin film or membrane such as a plastic tape of polyvinyl chloride, polyethylene or rubber having a thickness in the range of to mils, preferably about 12 mils, is formed in a continuous strip and entrained over the periphery of disc 74 and also over the periphery of a tape idler roller 88." .
<http://webisa.webdatacommons.org/157466797>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .