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<http://webisa.webdatacommons.org/312101941>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/312101941>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/312101941>	<http://www.w3.org/ns/prov#value>	"FIGURES 9a and 9b are an elevational view anda cross-sectional view, respectively, of one embodiment of part of the edges wherein the edge is provided with pointed teeth 50 which are interconnec" .