PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The object of the present invention is therefore to try to solve this problem by providing a process using an improved adsorbent that can be used to purify or separate gases, such as air.
http://www.w3.org/ns/prov#wasQuotedFrom
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