科技查新中专利文献的检索与对比分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1008-0821|35|7|89-92

ISSN: 1008-0821

Source: 现代情报, Vol.35, Iss.7, 2015-01, pp. : 89-92

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Abstract