North American Product Classification System (NAPCS) Canada 2022 Version 1.0
- 466 - Metal building and construction materials
- 46614 - Other architectural metal products
- 466146 - Other metal products for architecture and construction
- 4661461 - Culverts, flumes and irrigation pipes
- 4661462 - Metal studs
- 4661463 - Metal ladders
- 4661464 - Metal stairs and railings
- 4661465 - Other metal products for architecture and construction, n.e.c.
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