About: http://webisa.webdatacommons.org/189459785

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	FIG. 1 is a diagrammatic vertical section taken through a portion of the earth showing the arrangement of apparatus for generating gases from coal and the use of such gases in the methods of the invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca