PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A rotary drill bit for drilling subterranean formations, comprising:a crown; a shank including structure for connecting said bit to a drill string; and at least one torque limiting assembly positioned between said crown and said connecting structure for releasing said crown from rotation of said drill sting in response to a predetermined magnitude of torque. 2.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.fr