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It includes detailed information of nearly 200,000 enterprises and companies from 96 trades in China. |
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It is a collection of dissertations written by Chinese doctors£¬ post-doctors and Master degree candidates since 1980. |
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It includes data of patents of past years, which amounts to a record of a million. Through a relevant search, you can conveniently find patent information that you need. |
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China
National Library |
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Despite of the long history of more than 2,000 years, Suzhou looks still elegant. Simple, but gracefully refined...even it is beyond the threshold of the 21st century now. |
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Contact
Way | Site Map | Comments |
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Copyright
©
2001-2002
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