PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The way I understand things, if you have a type 1 certification, you are certified to use any refrigerant including R404a.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hvac-talk.com