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<http://webisa.webdatacommons.org/prov/251483953>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/168146473> .
<http://webisa.webdatacommons.org/168146473>	<http://www.w3.org/ns/prov#value>	"FIG. 11A is a bottom perspective view of a track radius of the universal overhead door system, showing a removable section formed as part of the track radius;" .
<http://webisa.webdatacommons.org/168146473>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .