Countries ranked by the number of EPO-granted patents.
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Data compiled by authors for this study.Countries ranked by the number of EPO-granted patents.
本研究由作者编制的数据集:按欧洲专利局(European Patent Office,EPO)授权专利数量排名的国家
创建时间:
2015-12-03

Data compiled by authors for this study.Countries ranked by the number of EPO-granted patents.
本研究由作者编制的数据集:按欧洲专利局(European Patent Office,EPO)授权专利数量排名的国家