North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 551 - Wholesale services (except commissions)
- 55117 - Machinery, equipment and supplies, at wholesale
- 551173 - Mining and oil and gas well machinery, equipment and supplies, at wholesale
- 5511731 - Mining and oil and gas well machinery and equipment, at wholesale
- 5511732 - Parts and supplies for mining and oil well and pipeline machinery and equipment, at wholesale
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