North American Product Classification System (NAPCS) Canada 2017 Version 2.0
451 - Parts of railway rolling stock and of other transportation equipment
This group comprises parts of railway rolling stock and of other transportation equipment.
45111 - Parts of railway rolling stock
This class comprises parts of railway rolling stock.
451111 - Parts of locomotives, of railway rolling stock, and of rapid transit equipment
This subclass comprises parts of locomotives, of railway rolling stock, and of rapid transit equipment.
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