North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 464 - Plastic and foam building and construction materials
- 46411 - Plastic and foam building and construction materials
- 464111 - Polyethylene plastic pipe and tube (except flexible)
- 4641111 - Polyethylene plastic plumbing pipe (except flexible)
- 4641112 - Polyethylene plastic pipe and tube (except flexible and plumbing use)
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