http://www.rfc-editor.org/rfc/rfc5134.txt
RFC 5134: A Uniform Resource Name Namespace for the EPCglobal Electronic Product Code (EPC) and Related Standards, M. Mealling2008-01-01T23:00:00-00:00This document describes URN namespaces that will identify various objects within the EPCglobal system for identifying products within ecommerce and supply chain management applications. This memo provides information for the Internet community.