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PCE
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CPC Main Group
C05F 7/00

Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses

3 direct subcodes

Child Classifications

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  • C05F 7/005
  • C05F 7/02 from sulfite liquor or other waste lyes from the manufacture of cellulose
  • C05F 7/04 from waste liquors in the potash industry