<http://webisa.webdatacommons.org/prov/424921159>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/228198024> .
<http://webisa.webdatacommons.org/prov/335000631>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/228198024> .
<http://webisa.webdatacommons.org/228198024>	<http://www.w3.org/ns/prov#value>	"In someof its aspects my invention relates particularly to portable heaters and maintenance devices. i In making, patching or repairing of roadsv of certain types, itis customary to use sand, stone, gravel and other aggregates." .
<http://webisa.webdatacommons.org/228198024>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/228198024>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .