Class 1422 - Nickel ores and concentrates of Central Product Classification (CPC) Version 2.1 includes these subclasses:

14220 Nickel ores and concentrates

This subclass is defined through the following headings/subheadings of the SH 2007: 2604.


In French: http://www.fr2.wiki/cpc:1422
In Spanish: http://www.actor-atlas.info/es5:1422




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