Census–NAICS 2012 Industry Code Crosswalk
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下载链接：
https://doi.org/10.7910/DVN/O7JLIC
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资源简介：
The enclosed files are crosswalks between the 2012 editions of the Census industry and North American Industry Classification System (NAICS) codes, from 2- to 6-digit NAICS codes.
创建时间：
2019-01-16
