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<http://webisa.webdatacommons.org/prov/410805792>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/416069082> .
<http://webisa.webdatacommons.org/416069082>	<http://www.w3.org/ns/prov#value>	"Radiant heating of structural (reinforced) concrete slabs - in warehouses, garages and other facilities." .
<http://webisa.webdatacommons.org/416069082>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pexuniverse.com> .
<http://webisa.webdatacommons.org/prov/104530671>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/416069082> .