USPTO Patent Secrecy Orders in World War II
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下载链接：
https://doi.org/10.7910/DVN/6ZAJGK
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资源简介：
This repository provides data on World War II-era USPTO patent secrecy orders. The repository includes one data file: "WW2 Secret Patents.dta": A dataset listing all issued U.S. patents with secrecy orders, based on a combination of OSRD and War Department records.
创建时间：
2023-06-27
