| http://www.w3.org/ns/prov#value | - In 2005 a ninth artificial section designated Y was added for interdisciplinary technologies, such as nanotechnology, that do not fit within the current ECLA hierarchy. (See Figure 6.) As of September 2005, there were approximately 26.8 million documents in esp@cenet classified under ECLA (European Patent Office 2006a).
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