About: http://webisa.webdatacommons.org/424293747

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	Referring now to the drawings in detail and in particular to FIGS. 1, 1A and 2, a heat exchange unit or assembly embodying the present invention is designated in its entirety by the reference numeral 20.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com