North American Product Classification System (NAPCS) Canada 2017 Version 1.0
163 - Diamonds and other non-metallic minerals (except cut gemstones)
This group comprises diamonds and other non-metallic minerals, except cut gemstones.
16311 - Uncut and industrial diamonds
This class comprises uncut and industrial diamonds.
163111 - Uncut and industrial diamonds
This subclass comprises uncut and industrial diamonds.
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