PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The method of making a casing patch is described, including the steps of: positioning an annular member having an internal configuration of lands and grooves around the upper end of the casing; lowering a forging tool and a spear into the upper end of the casing; setting the spear into gripping engagement with the casing at a position above the forging tool; positioning a protective collar around
http://www.w3.org/ns/prov#wasQuotedFrom
  • science.gov