North American Product Classification System (NAPCS) Canada 2017 Version 2.0
- 631 - Industrial intellectual property
- 63111 - Industrial intellectual property
- 631111 - Patents
- 6311111 - Patents
- 631112 - Industrial designs
- 6311121 - Industrial designs
- 631113 - Integrated circuit topographies
- 6311131 - Integrated circuit topographies
- 631114 - Trademarks
- 6311141 - Trademarks
- 631115 - Other industrial intellectual property
- 6311151 - Other industrial intellectual property
- Date modified: