CPC Main Group
C05B 13/00 Fertilisers produced by pyrogenic processes from phosphatic materials
3 direct subcodes
Child Classifications
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- C05B 13/02 from rock phosphates (C05B13/06 takes precedence)
- C05B 13/04 from metallic phosphorus compounds, e.g. ferro-phosphorus
- C05B 13/06 Alkali and alkaline earth meta- or polyphosphate fertilisers