CPC Subgroup
C02F 1/58 by removing specified dissolved compounds (using ion-exchange C02F1/42; softening water C02F5/00)
Full Title
Treatment of water, waste water, or sewage (C02F3/00 - C02F9/00 take precedence) > by removing specified dissolved compounds (using ion-exchange C02F1/42; softening water C02F5/00)
4 direct subcodes
Child Classifications
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