Nation's largest patent database goes online
By Zhang Zhao | China Daily | Updated: 2011-05-11 08:17
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Visitors to the State Intellectual Property Office pick up material to learn more about patents. Yang Shen / China Daily |
A search system with the nation's largest patent database went online at the State Intellectual Property Office (SIPO) as part of its April 26 open house to mark World Intellectual Property Day.
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