Class 3547 - Chemical elements and compounds doped for use in electronics of Central Product Classification (CPC) Version 2.1 includes these subclasses:

35470 Chemical elements and compounds doped for use in electronics

This subclass is defined through the following headings/subheadings of the HS 2007: 3818.


In French: http://www.fr2.wiki/cpc:3547
In Spanish: http://www.actor-atlas.info/es5:3547




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