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Indexed by:Journal Papers
Date of Publication:2019-01-01
Journal:科学学研究
Included Journals:PKU、CSSCI
Volume:37
Issue:12
Page Number:2141-2148
Key Words:专利制度;专利产出;权利人;动植物专利
Next One:基于有效专利的专利丛林测度及演进分析