PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A heat transfer element 160 according to the present invention may be comprised of two, three, or more heat transfer segments 162. [0202] The bellows sections 166 are formed from seamless and nonporous materials, such as metal, and therefore are impermeable to gas, which can be particularly important, depending on the type of working fluid which is cycled through the heat transfer element 160.
http://www.w3.org/ns/prov#wasQuotedFrom
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