DIFF Subgroup
E03B 3/32 with artificial enrichment, e.g. by adding water from a pond or a river
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Methods or installations for obtaining or collecting drinking water or tap water > with artificial enrichment, e.g. by adding water from a pond or a river
CPC:
Methods or installations for obtaining or collecting drinking water or tap water (treatment of water C02F) > with artificial enrichment, e.g. by adding water from a pond or a river
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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