Variant of NAPCS Canada 2012 Version 1.0 - Merchandise import and export accounts
- C16 - Forestry products and building and packaging materials
- C163 - Building and construction materials
- 466 - Metal building and construction materials
- 46614 - Other architectural metal products
- 466145 - Metal work for heating and air-conditioning systems
- 4661451 - Ventilation ducts and stove pipes
- 4661452 - Metal grilles, registers, air diffusers, and other metal work for heating and air-conditioning systems
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