机动车儿童乘员用约束系统的专利情报国际竞争态势分析
李勇;梁春慧
An Analysis on the International Competitive Situation of the Patent Information of Child Restraint System on Automobiles
Li Yong;Liang Chunhui
Journal of Modern Information
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2015, (9): 122
-129
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DOI: 10.3969/j.issn.1008-0821.2015.09.023