GPT Indicators
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下载链接：
https://doi.org/10.7910/DVN/PQGHKA
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资源简介：
This database contains yearly technology-level measures of Growth, Use Complementarity (UC) and Innovation Complementarity (IC) since 1920 for all technological classes in the United States Patent and Trademark Office (USPTO) classification system, as described in the article entitled "Mapping General Purpose Technologies with Patent Data".
创建时间：
2020-03-06
