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    Study on Indicator System for Core Patent Documents Evaluation
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    Update time： 2012-10-31
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    Author:Xian Zhang; Shu Fang; Chuan Tang; Guo-hua Xiao; Zheng-yin Hu; Li-dan Gao
    Publish Date:2009
    Conference:the 12th international conference of the international society for scientometrics and informatrics
    URL：http://ir.las.ac.cn/bitstream/12502/2501/1/study%20on%20indicator%20system%20for%20core%20patent%20documents%20evaluation%20%28ISSI%202009%29.pdf
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