North American Product Classification System (NAPCS) Canada [Provisional Version 0.1]
- 512 - Internet, software and other computer related services
- 519011 - Internet publishing and broadcasting services
- 519011.18 - Periodicals, business (including farming), professional and academic, electronic and other media
- 519011.18.1 - Periodicals, business (including farming) and professional, electronic and other media
- 519011.18.2 - Periodicals, academic, electronic and other media
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