PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This invention relates to electrical precipta-tion of suspended material from fur- In the operation of electrical precipitating apparatus'it has been found in practice that under some conditions the efiiciency cannot be maintained at a maximum, this being particularly the case where I the gases are hot and where the suspended material is of a dry non conductive nature.
http://www.w3.org/ns/prov#wasQuotedFrom
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