Basic statistics on the calculation results of abnormal returns for each subtechnical field of all patent document.
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https://figshare.com/articles/dataset/Basic_statistics_on_the_calculation_results_of_abnormal_returns_for_each_subtechnical_field_of_all_patent_document_/16612933
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Basic statistics on the calculation results of abnormal returns for each subtechnical field of all patent document.
创建时间：
2021-09-13
