North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 466 - Metal building and construction materials
- 46613 - Metal windows and doors
- 466131 - Metal doors and frames
- 4661311 - Metal doors and frames
- 466132 - Metal windows, screens, and exterior moulding and trim
- 4661321 - Metal windows, and metal window and door screens
- 4661322 - Metal moulding and trim
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