<http://webisa.webdatacommons.org/prov/451923099>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/215811164> .
<http://webisa.webdatacommons.org/prov/403546957>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/215811164> .
<http://webisa.webdatacommons.org/215811164>	<http://www.w3.org/ns/prov#value>	"20. The device of any of claims 11, 12, 17, 18, or 19, wherein the heater is a temperature controlled and fan operated charcoal fuel element heater." .
<http://webisa.webdatacommons.org/215811164>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/215811164>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .