About: http://webisa.webdatacommons.org/409404634

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	The present invention relates to a heat exchanger and more particularly to a heat exchanger of the counter-flow type for use in a Joule-Thomson type of refrigerator.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com