About: http://webisa.webdatacommons.org/242807177

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	mounting ring sections 139 and 146 together and establish fictional retention of the tubular section of the optical sighting device or other object being supported.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com