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2009-07-31 | All chapters

SIPO: Deputy Secretary LiYuguang attended opening of European patent system seminar

李玉光副局长出席欧洲专利制度研讨会开幕式

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http://www.sipo.gov.cn/ sipo2008/yw/2009/200907/ t20090730_470820.html

(IPR)