传送带专利技术分析:投入产出网络方法

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1000-7695|36|15|197-200

ISSN: 1000-7695

Source: 科技管理研究, Vol.36, Iss.15, 2016-01, pp. : 197-200

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Abstract