CPC Subgroup
A23K 20/20 Inorganic substances, e.g. oligoelements
Full Title
Accessory food factors for animal feeding-stuffs > Inorganic substances, e.g. oligoelements
5 direct subcodes
Child Classifications
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- A23K 20/22 Compounds of alkali metals
- A23K 20/24 Compounds of alkaline earth metals, e.g. magnesium
- A23K 20/26 Compounds containing phosphorus
- A23K 20/28 Silicates, e.g. perlites, zeolites or bentonites