North American Product Classification System (NAPCS) Canada 2012 Version 1.0

North American Product Classification System (NAPCS) Canada 2012 Version 1.0
Introduction
Hierarchical structure

16212 - Sand, gravel, clay, and refractory minerals

Display structure
North American Product Classification System (NAPCS) Canada 2012 Version 1.0 - Classification structure
Code Subclass
162121Construction sand and gravel Construction sand and gravel
162122Industrial sand Industrial sand
162123Clay and refractory minerals Clay and refractory minerals
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