PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In order to attain the above-noted and other objects, the present invention provides a hollow cylindrical member which comprises: a first layer made of synthetic resins and reinforcing fibers; and a second layer made of synthetic resins and provided with metallic member, the second layer circumscribing the first layer with the metallic member being in non-contact with the first layer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.fr