IP
Patent applications of engineering machinery Industry in Changsha increased |
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Recently, according to the latest annual patent authorization information of State Intellectual Property Office, in 2009, Changsha gained a total of 1,278 authorizations of invention patents, the number ranked the fifth in sub-provincial and provincial capital cities in the country, and leaped into the first in Central China. Among the newly established list of patent giants, engineering machinery enterprises are the largest volume of patent applications, in Changsha City's three enterprises with more than 100 patent applications, the machinery industry has two seats occupied by Zoomlion and Sany Heavy Industry. |
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