PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention proposes an easy-to-assemble one-piece surround speaker structure, wherein an user can determine the audio effect and appearance of an audio system via assembling different types of speakers and control devices, and wherein
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com