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<http://webisa.webdatacommons.org/19550280>	<http://www.w3.org/ns/prov#value>	"No. 7 Series Auto-Vents??The No. 7 Series Auto-Vents?? are reliable, automatic air eliminating valves for concealed radiators, pipe lines, tanks and other devices where water or liquids are used for heating and cooling." .
<http://webisa.webdatacommons.org/19550280>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<maid-o-mist.com> .
<http://webisa.webdatacommons.org/prov/304887347>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/19550280> .