Matching SIPO patents to firms in the Annual Survey of Industrial Enterprises (ASIE) of China's National Bureau of Statistics
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2019 Aug Update: Patched with matched patents' application and publication numbers. Matching SIPO patents to firms in the Annual Survey of Industrial Enterprises (ASIE) of China's National Bureau of Statistics. Please refer to the user documentation \"Construction of a database linking SIPO patents to firms in China’s Annual Survey of Industrial Enterprises 1998-2009\" for more details about this dataset. Alternative data access: https://sites.google.com/site/sipopdb/home/sipo---asie
创建时间：
2023-11-21
