淮南市发明专利现状及对策分析
Publisher： 国家哲学社会科学学术期刊数据库
E-ISSN： 1009-9530|17|2|36-38
ISSN： 1009-9530
Source： 淮南师范学院学报, Vol.17, Iss.2, 2015-01, pp. : 36-38
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Abstract