North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 291 - Non-metallic mineral products
- 29114 - Non-metallic mineral products, n.e.c.
- 291143 - Abrasives and abrasive products
- 2911431 - Abrasive grain, powder and flour
- 2911432 - Abrasive products
- Date modified: