North American Product Classification System (NAPCS) Canada 2012 Version 1.2

North American Product Classification System (NAPCS) Canada 2012 Version 1.2
Introduction
Hierarchical structure

162123 - Clay and refractory minerals

This subclass comprises clay, and refractory minerals.

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North American Product Classification System (NAPCS) Canada 2012 Version 1.2 - Classification structure
Code Detail
1621231Clay and refractory minerals Clay and refractory minerals
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