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导读:《中国民营企业发明专利授权量报告2021)》目前已正式发布,数据显示 ,2021年度排名前十位的民营企业,近三年发明专利授权量年均增速达49.25% 。12月6日消息,国家知识产权局知识产权发展研究https://img.99danji.com/uploadfile/2017/0809/20170809043119678.jpg...
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