North American Product Classification System (NAPCS) Canada 2017 Version 2.0
- 642 - Research and experimental development services
- 64242 - Research and experimental developmental services in humanities and the arts
- 642424 - Research and experimental developmental services in arts (arts, history of arts, performing arts, music)
- 6424241 - Research and experimental developmental services in arts (arts, history of arts, performing arts, music)
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